CBDA – Exam Simulation – xx

The analytics model developed by the analytics team has been accepted by the key stakeholders. As you prepare for deployment of the analitics results into the business environment, all the following activities are relevant except:

__________________________ represents the disciplines of development, execution and supervision of plans, policies, projects, processes, practices and procedures that control, protect, deliver and enhance the value of organizational data and information assets.

A company runs analytics on its sales and marketing data to discover that their free shipping promo deal led to a 15% increase in average order size, whereas without the deal, they had a 25% higher exit rate. This use of analytics refers to:

The level of significance “alfa” of a test is the probability of:

The objective of database normalization is to:

A business found that the sales through their e-commerce system were much below expectations. In order to boost the sales, a decision was made to reorganize the content on the Home Page. Which of the following visualization techniques would you recommend to enable the business stakeholders answer the crucial question: “Where on the Home Page should the most important content be placed?”

The analytics model developed by the analytics team has been accepted by the key stakeholders. As you prepare for deployment of the analytics results into the business environment, what primary concern should you address to ensure successful value realization?

Which of the following is relatively the best statement for a business problem?

Which of the following statements about a database view is correct?

A stem-and-leaf plot is primarily used for:

John and David are working on a project to explain how the rise in oil prices is leading to a rise in lunch prices at their school. John constructs a chart showing the oil prices every week, over the past 18 months, and a different chart showing the lunch prices every week, over the past 18 months. David argues that having two separate charts will not highlight the relationship between oil prices and lunch prices. He also believes that John’s charts show too many data points. Instead, he wants to show both the oil prices and the lunch prices on the same chart. In addition, rather than plotting the prices each week, he wants to chart only the average monthly prices for oil and lunch. Why would David’s approach make it easier for people to analyze the data than John’s approach?

It might be necessary to formulate a new research question in all the following cases except:

Which of the following statements related to a Data Flow Diagram (DFD) is correct?

Which of the following statements about SQL (Structured Query Language) is incorrect?

Which of the following statements about data models is true?

A lab technician has data on solubility measurements for four different chemicals (Chloroform, Benzene, Hexane, Ether). She wishes to perform pairwise comparisons to explore whether there exists a relationship between any pair of chemicals? Which of the following visualizations would best serve the purpose?

One of the primary responsibilities of a Business Analyst is to recommend the appropriate changes to address the business needs. However, before recommending changes, the Business Analyst must validate whether:

Which of the following questions would solicit a qualitative response?

On an exam, the scores are expressed as percentages as well as percentiles. Which of the following statements is true?

A university conducted a course on Business Data Analytics with a duration of six months. At the end of the course, the university administered the course-end exam that comprised of questions based only on the content covered during the last two months of the course, because the teaching faculty believed those topics were very important. In this case:

Zomato is a food delivery app that partners with a variety of local restaurants, and aggregates the ability to place orders from multiple vendors onto one platform. Recently they noticed that the daily number of orders that go through their system is significantly lower than the number of users who have accessed the app. Zomato’s checkout process has three primary steps:

1. initiating the checkout process ,
2. entering credit card information for payment and
3. confirming the order.

Zomato’s Executive Management is faced with the key question: Where in the checkout process are users abandoning their orders? They task you with probing into the data to find the answer.

Which chart would you use ?

Which of the following deployment-related issues would business data analytics professionals be the least involved in addressing?

A Business Analyst is in the process of developing research questions to guide her research project related to childhood obesity in London. She comes up with the research question: What is the childhood obesity rate in London? This research question is:

A 3-way ANOVA is the one with:

OLAP (On-Line Analytical Processing) can facilitate which of the following steps of the analytics process?

Before closing an analytics project, which of the following is relatively the most crucial to focus attention on?

A Business Analyst is in the process of developing research questions to guide her research project related to nuclear power in South Africa. She comes up with the research question: Should the South African government promote a greater reliance on nuclear power in order to reduce South Africa’s contribution to climate change? This research question is:

As a Business Analyst, which of the following measures would most help you improve the chances of obtaining stakeholder buy-in on an analytics project?

The analytics results produced as a result of data analysis have been found to provide valuable insights to drive business change. As a Business Analyst, you wish to now determine the best possible way to make the changes. Which of the following skills or competencies would be the most useful to you in this context?

A team had developed a well-defined research question. After analysis, they found that the available data was not useful in answering the question. Hence, they reframed the question so that the available data was useful in answering the question. The risk with this is that:

You wish to plot the median time in minutes that visitors stayed at each of 12 different museum exhibitions, in order to compare the popularity of the exhibitions. Which of the following types of graph would you use?

The ultimate objective of implementing business data analytics is to realize business value, for which, the business change resulting from the analytics solution must be effectively managed. Which of the following activities is least likely to contribute to effective management of change?

An American healthcare company undertook an initiative to leverage analytics in its new product development process. The Business Analyst on the initiative facilitated collaborative discussions with the key stakeholders to define the business problem and the desired business outcome. She then engaged the stakeholders to formulate the research question as: “What are the top three genetic and/or environmental factors related to the risk of diabetes in Americans between 25 and 40 years of age?” What should be the next step?

Which of the following practices would least contribute to deriving meaningful insights from raw data?

The payback period is often considered inferior to discounted cash flow methods in capital investment appraisal because:

In a consumer good company, the Sales director is concerned because an almost constant drop in Revenues occurred in the past four months. The Analytics Team has been asked to analyze the company data from any currently accessible source system to identify a possible explanation. Which of the following Analytics method are is the Analytics Team going to apply?

In a mobile company, the Marketing director is in trouble about. The Analytics Team has been asked to analyze the company data on past promotions effectiveness to identify which promotion is most likely to result in the higher Promotion ROI (Return on Investment). Which of the following Analytics method are is the Analytics Team going to apply?

A Math professor gave to his class a test made of 20 multiple choice questions. The number of correct answers for the five students are: 12, 13, 13, 15, 17, 20. What are the mode and the mean of the series?

A Math professor gave to his class a test made of 20 multiple choice questions. The number of correct answers for the five students are: 12, 13, 13, 15, 17, 20. What are the median and the mean of the series?

A Math professor gave to his class a test made of 20 multiple choice questions. The number of correct answers for the five students are: 12, 13, 13, 15, 17, 20. What is the range of the results?

The Analytics Team of a soda company has been asked to analyze company data to discover business insights. Analyzing all the past sales data available in their dataset, they verified that every time the temperature was higher than the seasonal average time also sales were higher than the average sales. This an example of:

From a logical perspective, in the Business Data Analytics framework:

The HR director of a big retail company researched on the best practices for designing a Business Data Analytics Team and she found out that there six different talents are considered key to the success of such a team. What should the HR focus on in order to build a successful team:

Uniqueness is one of the characteristics of high-quality data. If data is unique it means that

Within the five Vs can be assessed to determine a Data Sets to use in an Analysis. Which of the following are part of the five Vs:

Business Analytics team is having a hard time identifying the research question. What should the Business Analyst of the team suggest as the best approach to solve the issue:

Business Analytics Team have identified the research question, sourced the data and analyzed the data. However, the results they have obtained are to wide and difficult to interpret; therefore, they are afraid to proceed to reporting results to the business stakeholders. What should the Business Analyst of the team suggest doing to solve the issue:

Which of the following is true about charts to use when you want to understand the distribution of your data?

Which of the following is true about charts to use when you want to analyze trends in your data set?

Which of the following is the most appropriate type of chart when you are interested in showing conversion rate from a customer acquisition process perspective?

Carl and Angela are both salesperson in a computer store. Their manager drew the boxplots of their sales to compare their sales. The outcome is in the picture. What can be inferred form the chart?

Carl and Angela are both salesperson in a computer store. Their manager drew the boxplots of their sales to compare their sales. The outcome is in the picture. What can be inferred form the chart?

Carl and Angela are both salesperson in a computer store. Their manager drew the boxplots of their sales to compare their sales. The outcome is in the picture. What can be inferred form the chart?

Carl and Angela are both salesperson in a computer store. Their manager drew the boxplots of their sales per month of the past 12 months to compare their sales. The outcome is in the picture. What can be inferred form the chart?

How many outliers are there in the following plot?

The manager of an application maintenance team, who is also a CBDA certified person prepared two versions of a chart to show to his supervisor results on tickets management. With reference to the following charts, which of the following sentence is the most appropriate?

The manager of an application maintenance team, who is also a CBDA certified person prepared two versions of a chart to show to his supervisor results on tickets management. With reference to the following charts, which of the following sentence is the most appropriate?

________________  tries to determine whether or not the means of two sampled groups is statistically significant or due to random chance.

Inferential statistics allow you test hypotheses and generalize results to population as whole. 

Descriptive statistics can be used to make inferences or predictions about the population as a whole.

The logo in the image, which represents a Panda, leverages the Gestalt principle of:

Business Data Analytics, as a broad definition, includes:

A Logical Data Model

Luca is a Business Data Analyst working on a Survey. He delivered a first version of the Survery to his friend Amanda, asking to distribute it. Amanda passed the survey around, but when analyzing data Luca realized that he got only answers from women

Francesca has been asked by the CEO to investigate the possibility to introduce Data Science in the Company. What is Francesca supposed to do now?

Hugo has just finished to train an ARIMAX model to forecast his company cash flows. What kind of analytics method is this

Ice creams consumption grows in summer. Murders also grow in summer. That means that:

You have the 5, 5, 5, 3, 3 sequence

Paul works in Marketing and he is currently teaming with Sales colleagues to analyze the post-go-live of the last product launched. He is likely to perform:

Net Promoter Score (or NPS) is a common metric used to track the success of a product or website. It’s measured by asking a simple question: How likely are you to recommend this product or website to a friend or colleague? Users respond on a scale of 0 – 10 with 0 being not at all likely to recommend and 10 being extremely likely to recommend. Which of the following best describes NPS?

Bob is in charge of a Big Data Advanced Analytics initiative that will convert support calls speeches to text, define a proper answer and convert again from text to voice to answer to the call in realtime

Gina received a call from Mike, the new Project Manager, asking her to join the new project as Business Analyst. Mike told Gina that the project will introduce electronic invoicing throughout the company and that Analysts will have to study specifications and standards that are based on XML

Johanna works at a bank that makes loans to small businesses. To the right, you can see a dashboard that he checks daily. Which of the elements of her dashboard is an example of “Tracking a value over time”?

Mark is an investment analyst. He’s been asked to review a new start-up that uses easy-to-install vibration sensors to measure the amount of traffic on a bridge or highway.His boss has asked him to do some background research and decide what category this start-up belongs in.

Carlo is helping organize his team’s sprint planning. Sprint planning is when a technical team plans which tasks they will focus on in the coming week. Based on the tasks listed in the sprint planning board, which model of team is Carlo working with?

Marilena’s engineering team just finished redesigning the website for their community forum SkimmedIt. Marilena wants to make sure that her data engineering team is recording all appropriate events from this website. Decide which of the following events should be stored in Jacinda’s data warehouse.

Albert conducted a focus group last week for Foodcar, a meal delivery service. His notes from the meeting are shown on top of the picture below. The focus group generated a lot of interesting hypotheses, but Albert doesn’t want to make any suggestions to management until he has some quantitative data. Which of the following questions would be the best to ask to a large sample of Foodcar users to validate the findings of the focus group?

Below, you’ll see a command for selecting some data from the database. You can use the drop-down menus to modify the command. Whenever you want to see the results of the query, click “run query”. Based on your investigation of this database, which of the following statements is most accurate? Complete the following sentence: This is a ____, and the query is written in ____.

Paula manages a data science team at a subscription pet food company. Her team has been asked to investigate customer churn. Place the steps that her team will take in order.

You’re the CFO of a company producing Yogurt. You’re planning to update your plant introducing new Internet of Things technologies. Three suppliers have been shortlisted and have been granted to introduce sensors for a trial period, work on retrieved data anche shaper their investment proposal. Which of the following projects would you approve?

You’re a professor and you want to visually assess if the grades on your exam follow a particular distribution. Which plot do you use?

You’re a professor and you want to visually assess if longer answers on exam questions lead to higher grades. Which plot do you use?

Select the right story-telling for the graph below *

Simon works at a health insurance company. A member of his team created a great visualization of asthma hospitalization rates for different states where the company offers coverage.What source might the team member have used to collect this data?

Donald manages operations for a meal delivery service in Houston, Texas. She has latitude and longitude data for meals requests in the past month. She’d like to create several new “delivery hubs” where demand has been greatest. In order to do this, she’s asked a Machine Learning Scientist to use a clustering algorithm to divide the orders into groups based on their location. The Machine Learning Scientist isn’t sure how many clusters to make. Below he run the algorithm with the highest numbers of clusters to see the results. What is the most suitable number of clusters to choose?

Which of the following questions will prescriptive analytics help an organization address ?

A school boy is asked to list the name of three ice-cream flavours according to his preference. Suppose he lists them in the following order : Chocolate, Vanilla, Strawberry This data would come under which scale of measurement?

The nature of the data in the following data set is: {3, 5, 6, 8, 9, 10, 3, 6, 11, 17, 6, 1, 8, 3, 8, 9}

A scatter plot of the number of teachers and the number of people with college degrees in cities of California reveals a positive association. The most likely explanation for this positive association is:

In the decision-making process, “states of nature” are :

An organization is in the process of building a data strategy, and has identified its major customer segments, its value proposition for each of those segments, the sales, distribution and customer communication channels, and mechanisms to build relationships with, and retain customers. Which model or framework are they using?

A consumer-packaged goods company is looking to improve the marketing of its breakfast products. They have the poll results of 900 people, noting their age, gender, marital status and whether or not they lead an active lifestyle. The company intends to ask each participant to taste three different breakfast foods and then tell them which one they liked best. They would use the results to determine the marketing profiles for each breakfast option, and then predict the consumer choice of breakfast products. Which of the following types of model do they need ?

Which of the following is a discrete random variable ?

The _________ of a database is an abstract model of how the data should be structured and arranged to meet an organization’s information needs.

The most effective technique to display either continuous variables or discrete variables that have many possible outcomes is :

You are a Business Data Analyst tasked with facilitating the decision to select the best out of a set of five different solution options. These solution options are related to the business changes to be made in order to embed the analytics solution into the business operations. You have figured out that the attitude of the key decision-makers toward risk is that of “risk averter”. With respect to the Utility Curve, which of the to following statements is true for your decision-makers?

Accurate, relevant and timely information is the key to:

The Management of a hospital intends to introduce radiation therapy, however, they are concerned because the collateral damage done to surrounding organs and structures can be significant in the case of such a therapy. There are virtually thousands of possibilities for the placement, diameter, duration and intensity of the beam. The hospital Management wants to be able to design radiation treatment plans, enabling clinicians to precisely target which beams turn on, when, and for how long, to deliver an optimal dose for each patient. Which of the following does the hospital need to meet its objectives?

Stratified random sampling is a method of selecting a sample in which :

While analyzing data related to the sales of a supermarket chain, an analytics team found that when more bread was purchased, the sales of cheese increased. Consequently, the team concluded that the increase in the sales of cheese was caused by the increase in the purchase of bread. With reference to this context, which of the following statements is appropriate ?

How is the interquartile range affected by extremely large values ?

A company that manufactures designer watches is contemplating whether to increase its advertising budget by $ 1 million the next year. If the expanded advertising campaign is successful (the probability of this is 0.75), the company expects sales to increase by $ 1.6 million next year If the advertising campaign fails (the probability of this is 0.25), the company expects sales to increase by only $ 400,000 next year. If the advertising budget is not increased, the company expects sales to increase by $ 200,000. Based on EMV, which is the best course of action ?

Which of the following is not a driver for data governance ?

A hospital with geographically distributed facilities faces a unique challenge : intra-hospital patient transport Getting it right can be a logistical nightmare for dispatchers ; getting it wrong can spell disaster for patients and caregivers. The hospital wishes to use its ever-changing hospital and transport data to deploy a planning and dispatching solution that would help dispatchers plan, manage and execute hundreds of daily transport requests in real time, with the objective on improving punctuality, reducing patient wait times, as well as reducing the distance carriers walk per day. Which of the following does the hospital need to meet its objectives ?

Selection bias is caused by the method of selecting:

A telecom provider uses analytics to identify patterns in terms of money spent in recharging, sending SMS, and browsing the internet, to segment their pre – paid customers. They then target specific segments of customers for specific campaigns. The use of analytics in the situation described refers to :

What is the basic rule of the Gestalt Principles of Perception ?

Which of the following is not a relevant factor when using the payback method of capital investment appraisal ?

Which of the following is not a goal of meta data management ?

The marketing department of a company runs analytics on its large amounts of data to identify returning customers who will buy from them with little-to-no nudging, and those who won’t budge unless prompted with an additional sales deal. They also use analytics to understand the various types of their customers, based on the kinds of content and messages that resonate with them the most, and whether they are responsive to certain types of advertising. This use of analytics refers to :

The sampling method by which the population is divided into groups that are each intended to be mini – populations is known as :

You measure the diameters of a representative random sample of nails manufactured in a mill, and then use the information to make generalizations about the diameters of all of the manufactured nails. Which type of analysis did you perform?

John has graphically represented the % of sales in each of the 50 states of USA. However, he finds stakeholders complaining that it is difficult to understand the % distribution per state. The most likely reason for the complaints is that he has used a :

Which of the following statements about financial criteria for investment appraisal is incorrect ?

Which of the following statements about a Data Steward is incorrect ?

A company uses analytics to compare its consumer response to the same advertising campaigns in different areas, and discovers that female travellers aged 18-25 from Manchester are more likely to fall for the “sunny and luxurious resorts in Spain” rather than the “affordable and boho homestays in Greece”. Which type of analytics did they use to glean this insight ?

The set of all objects or individuals of interest, or the measurements obtained from all objects or individuals of interest represent :

A measure of dispersion that indicates how peaked the distribution is in comparison with a Normal distribution is :

Stakeholder identification and analysis is a continuous activity throughout the project life cycle, however, stakeholders must first be identified and analyzed :

Which of the following is not relevant to decision-making?

The data strategy must be aligned with the business strategy

A telecom company runs analytics on its large amounts of historical data to estimate the likelihood of churn for certain customers. Once their Customer Relationship Management system registers the warning signs of customer churn based on a pre-defined likelihood threshold, their sales team receives a notification, and the ” dangling ” customer is automatically plugged into a personalised churn-prevention campaign. This use of analytics refers to :

What is the preferred measure of central tendency for ordinal data?

A 2 x 2 confusion matrix is used :

In order to determine which chart is best suited for effective data visualization, which of the following questions is irrelevant or relatively the least important ?

You have 10 medium complexity use cases to be developed and tested on your project. Based on your organizational historical data, the optimistic estimate to develop and test a single medium complexity is case is 6 person days, while the pessimistic estimate is 8 person days. Hence, you estimate the total effort to develop and test 10 medium complexity use cases to be in the range of 60 to 80 person days. You have used:

Which of the following is not a roadblock in the implementation of business data analytics in organizations ?

The researchers in a healthcare company found out how many of their patients have communicable diseases, and whether there was any correlation between the demographics of patients and their diseases. They now wish to find out how many patients may have the same disease in a particular city, which refers to :

Which of the following is not true about a FOREIGN KEY constraint ?

Which of the following statements related to the reliability and validity of a measurement is correct?

Data storytelling goes much beyond data visualization. The primary objective of data storytelling is to :

Based on historical data, a team estimates with an accuracy in the range of -10% and +10%. This type of estimate is a:

When a DFD is levelled,

Within the context of database normalization, a functional dependency is a relationship between or among :

Which of the following is an acceptable definition of an “outlier”?

The Executive Management of a food and beverage company wishes to view the sales of three different beverage products over a period of 12 months, and how much each product contributed to the total sales, so as to enable them to make product-specific decisions. Which of the following would be relatively the best way to present the data to facilitate executive decision-making ?

An analytics team delivered a demand forecasting model for a manufacturing organization that was being used by the business for almost a year. Soon, the users of the model started encountering large errors in the forecasts. Which of the following is the least likely reason for the errors ?

Which of the following questions would you not be able to apply statistical analysis to, in order to validate your hypotheses through a survey ?

You have found that the result of a test is statistically significant. This means that

You wish to conduct an experimental study that examines the difference between the BMI (Body Mass Index) of people who don’t exercise at all, those who exercise sometimes (once or twice every week), and those who exercise regularly (at least four times every week). Which statistical test would you use for the purpose ?

As a Business Analyst, you have been working with the Analytics team to report the results of data analysis to the business stakeholders. Which of the following aspects is the least important to consider at this point?

An analytics team delivered a demand forecasting model for a manufacturing organization that is being used by the business for six months. Which of the following metrics is the least likely to be monitored by the business at this stage ?

Which of the following techniques would be the least suitable to conduct a qualitative research ?

What are the lower, middle, and upper quartiles for the following set of numbers ? 8, 11, 20, 10, 2, 17, 15, 5, 16, 15, 25, 6

The total cost of reaching consumers (C) depends upon the number of consumers (N), advertising costs (A), and transportation costs (T). The linear cost prediction model is represented as :

C = c – nN + aA + tT, where c, n, a, and t are constants, and c estimates the total cost when the remaining variables are zero.

Which of the following interpretations is true about this model?

Which of the following visualizations is appropriate for encoding nominal variables using color?

The analytics model developed by the analytics team has been accepted by the key stakeholders because it was found to adequately answer the research question, and the insights gleaned from the analysis were found to be valuable. As a Business Analyst, what would be your next step ?

A Business Analyst is in the process of developing research questions to guide her research project related to global warming. She comes up with the research question : What is the effect of global warming on the environment ? This research question is :

There’s often a need to analyze very large data sets in order to search for patterns. Which of the following is NOT a scenario in which you would need to search for patterns involving multiple variables ?

The Census department has collected data on the number of residents in different age groups in the city, and wants to find out the total number of residents aged below 45. Which of the following visualizations would serve their purpose?

Business value from an organization’s analytics efforts is realized only when:

Which of the following is NOT a reason why formulating a research question is one of the first steps on a research project ?

Which of the following statements related to Histograms and Column charts is incorrect ?

You are in the process of deploying an analytics model to the business environment, and wish to validate that the deployed model behaves as expected, and delivers the desired business value. Which of the following approaches would best serve the purpose?

On a project, the Business Analyst has engaged the key stakeholders to define the business problem as well as the desired business outcome, and formulated the research question that needs to be answered. She now needs to understand how analytics could be used to answer the research question. At this stage, which of the following is not a relevant consideration?

One of the key responsibilities of a Business Analyst is to identify and analyze stakeholders. The primary objective of stakeholder analysis is to:

As a Business Analyst, you have been working with the project team to develop a Change Implementation Plan for the proposed analytics solution. You have also identified stakeholders who are most likely to resist the proposed change, and defined mitigation measures to counter the resistance. What would be your immediate next step?

The Chief Innovation Officer (CIO) of a large organization wishes to explore the idea that all the separate machines and tools which make an industry possible be “smart” – connected and data-enabled, so that they constantly report their status to each other. The underlying business objectives were to increase efficiency by allowing every aspect of an industrial operation to be monitored and tweaked for optimal performance, and to reduce the down-time of machinery as a result of knowing exactly the best time to replace a worn part The CIO looks up to you to tell her how the organization could achieve the objectives based on the data available. What’s your first step?

Data visualization is a key skill in business data analytics. During which of the following sets of tasks does data visualization add the greatest value ?

As a Business Analyst, Sasha knows that she must communicate proposed procedural changes effectively to the stakeholders impacta by the change, in order to facilitate the process of change. Which of following skills would best serve the purpose ?

A manufacturing company faces a challenge – determining how much of each product to produce, when to produce it, and at which location. The Management knows that demand can fluctuate significantly due to seasonal trends and other factors, however their factories have limited production resources, so they wish to find the best possible ways to make use of their facilities, employees and raw materials, in order to boost manufacturing efficiency, and deliver orders on time. Which of the following best serves the company’s purpose?

The measurements of height and weight are made on _ _ _

To calculate the total project cost, you use a technique that uses input values selected at random from probability distribution of possible cost. Which of the following options best describes the method?

The stem plot below shows the number of hot dogs eaten by contestants in a recent hot dog eating contest.

Which of the following statements is true?

An organization is evaluating various solution options, and the Executives have narrowed down the options to 2 different options, but with the same benefits, same cost, as well as implementation schedule. Which of the following would you recommend in order to make a decision in such a situation?

The Executive Management of an organization has been performing PESTLE analysis, and intends to follow it up with Porter ‘ s 5 Forces analysis. The most likely outcome of these activities is an understand of:

A supermarket chain uses analytics to manage its inventories to meet customer demand, while reducing costs. It compares multiple planning scenarios using what-if analysis and chooses the best option, so as to stock the right products in the right quantities at the right locations, avoiding under- and overstocks, and freeing up capital for reinvestment elsewhere. Which of the following is the supermarket chain using ?

A researcher uses systematic random sampling from a company directory that has 500 employees listed in alphabetical order. If the desired sample size is 20, and the first name to be selected is number 9, which of the following will not be selected?

Which of the following statements is not true for a normal distribution?

Which of the following is not a characteristic of bar charts?

A decision rule that selects the decision alternative with the least possible opportunity loss is called:

Which of the following statements related to data governance is incorrect?

Building fixed-income portfolios has been a challenging and time consuming process for an investment management company, with numerous, inter-connected variables and constraints. The fixed-income market encompasses millions of assets worldwide, each of which has numerous parameters, some of which change constantly. With a multitude of factors to consider and many options available, the company finds making a decision about how and where to invest money, to be complex and inefficient. Additionally, every investor has different requirements for their portfolios. A bad investment decision can cause an investor to lose his hard-earned money, hence the investment management company must choose the right assets to match the applicable constraints. Which of the following can help the company meet its objectives?

The difference between a value computed from a sample (a statistic) and the corresponding value computed from the population (a parameter) is called:

A Data Modeler is in the process of building a data model, and is specifying access paths, database indexes and other details to describe how the data would be stored. The description refers to a:

The statement “when individual elements are placed close together, they tend to be perceived as a single group” refers to which Gestalt Principle?

Pessimistic decision-makers tend to:

Which of the following dimensions of data quality often involves a trade-off with data security ?

One of the biggest problems in treating patients is that drugs often affect individuals differently. Some medications may cause terrible side effects for one patient, while being an effective treatment for a different patient. Physicians often resort to trial and error to find the right treatment To address the problem, a healthcare company built an analytics solution to selecting the most effective treatment in the form of two different types of models. It first uses a model to predict the impact of the drug based on a finite set of known impacts from patient tests and conditions. It then uses another model to predict changes in the patient’s condition in terms of pre-defined numeric parameters, when she takes a certain drug. This set of two models provides the company researchers with an understanding of how a population of patients historically reacts to various drugs, so as to be able to determine the probability that a certain drug will be most effective for a patient The first type of model is a _______ model, whereas the second one is a ______ model.

A single number determined from a sample that is used to estimate the corresponding population parameter is called a:

Which of the following statements is not true for a logical data model?

Which is the best chart to make viewers focus on trends, rather than individual values?

The utility curve that shows each additional dollar of profit yielding the same value as the previous dollar would best represent a: