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CBDA Certification in Business Data Analytics (IIBA - CBDA) Questions and Answers

Questions 4

A financial software company has growth and expansion as one of their top strategic priorities for the year. The senior executive team would like to assess their sales performance over the last 3 years to help set sales objectives. In discussion with the business analytics manager, for a comprehensive sales report, the sales lead recommends looking into the number of contracts signed over the past 3 years and the dollar value for the signed contracts. Which other question is important to consider when evaluating sales performance?

Options:

A.

What is the time to market the software?

B.

What is the total cost incurred per year?

C.

What is the number of customers retained over the past 3 years?

D.

What is the average time for conversion?

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Questions 5

As the team discusses how to utilize the results of their data analysis to put forth a business recommendation, an analyst on the team voices concern over the current organizational culture presenting a roadblock to their ability to influence business decision making. Which of the following would be a justifiable concern at this stage of the team's efforts?

Options:

A.

Difficulty bringing business stakeholders to a shared understanding about value when sharing data assets across business domains

B.

Changing the mindsets of business stakeholders to trust insights gleaned from data over experience and intuition

C.

Applying a myopic view of data and establishing data silos which create roadblocks to exploring available data sources

D.

Finding data that creates value creating difficulties, as not all data helps a business make better decisions

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Questions 6

An insurance company has seen an upward trend in winter-related accidents over the past three years. The company has just completed an analytics study to better understand the primary reasons for these accidents and assess how many of the drivers were using winter tires. This analysis will help the company decide how to move forward with drivers not taking precautionary measures during winter. What type of analysis will help in determining the primary reasons and percentage of those drivers with winter tires?

Options:

A.

Prescriptive

B.

Descriptive and Predictive

C.

Descriptive

D.

Descriptive and Diagnostic

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Questions 7

A software company launched a new product in late 2016. The product manager is reviewing a Box and Whisker plot used to compare year-over-year sales, from 2017 to 2018. What is the conclusion he can make from this chart?

CBDA Question 7

Options:

A.

2017 minimum and maximum sales are higher than 2018, and the 2017 median result is

higher than the 2018 median result

B.

2017 minimum and maximum sales are higher than 2018, but the 2017 median result is

lower than 2018 1st quartile result

C.

2018 minimum and maximum sales are higher than 2017, and the 2018 quartile results are

higher than 2017 quartile results

D.

2018 minimum and maximum sales are higher than 2017, and the 2018 1st quartile is

higher than 2017 median result

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Questions 8

The analytics team has been asked to assess sales data from their company's website with the hopes of providing insights to help increase online sales. It's the first time the team is looking at this specific data and they are concerned about the quality of data that has been captured. They decide to use the following approach as the next step:

Options:

A.

Trend Analysis

B.

Classification analysis

C.

Data Analysis

D.

Exploratory analysis

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Questions 9

A marketing director has asked the question 'How many product purchases are expected this coming year given the current marketing campaign?". What type of analytics would be performed to answer this question?

Options:

A.

Descriptive

B.

Predictive

C.

Diagnostic

D.

Prescriptive

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Questions 10

An analyst at a bank is trying to identify research questions for an analytical study on top customer issues across branches. During an interview with a branch manager, the analyst asks the manager what their top customer concerns are relating to this branch?

After the manager's reply, the analyst asks a follow up question on how their top customer concerns compare against the top customer concerns across all branches? Was the analyst's follow-up question valid?

Options:

A.

No, there is no value comparing the results of a single branch with results across all

branches

B.

Yes, it builds on the previous question and allows the analyst to identify branch-specific

concerns

C.

No, the question is not valid in this particular scenario

D.

Yes, only for the purpose of ensuring that the manager is aware of the company-wide

reports

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Questions 11

A professional association is funded by membership fees. The membership renewal occurs every 5 years. Although, they have a strong subscription rate each year, their renewal rate is low. They are working with an external firm specializing in Business Analytics to identify the groups of customers that have a high likelihood of cancelling their subscription after their first 5-year

term ends. This type of study is called:

Options:

A.

Untrained learning

B.

Supervised learning

C.

Trained learning

D.

Unsupervised learning

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Questions 12

The analytics team has completed analyzing a dataset and unfortunately the data didn't deliver the kinds of insights that the team was hoping for. After much contemplation, they decide to:

Options:

A.

Summarize the results and indicate the outcome was inconclusive

B.

Inform management that analytics could not derive insightful results

C.

Wait a few weeks and rerun the analysis using refreshed data

D.

Restart the work with formation of a new research question

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Questions 13

The analytics team has established two equally strong potential recommendations which will deliver the desired outcomes with similar benefits to be derived from each one. On the surface there is no discernable difference in costs or schedule for either option. To help the analytics team reach a recommendation the business analysis professional recommends the team:

Options:

A.

Complete market research

B.

Assess risks for each option

C.

Vote to choose the recommendation

D.

Seek management guidance

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Questions 14

A data scientist is performing statistical analysis and is interested in graphically depicting the data set according to the associated quartiles Minimum, First Quartile, Median, Second Quartile, Third Quartile. Which technique would allow for the display of this statistical five number summary?

Options:

A.

Gaussian distribution

B.

Scatter plot

C.

Multivariate histogram

D.

Box plot

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Questions 15

An analyst at a phone manufacturing company is preparing a dashboard for Senior Executives that will cover past year's performance. It will be used in the upcoming senior leadership team meeting to make strategic decisions for the new year. While analyzing the data, the analyst found a lot of interesting revelations related to performance. What should the analyst keep in mind when preparing the Executive dashboard?

Options:

A.

Keep some sections high-level, and some sections detailed

B.

Keep it detailed if there is a lot of good information to share

C.

Keep it high-level, summarizing key insights and metrics

D.

Keep it detailed so one dashboard can be shared to all levels of the organization

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Questions 16

Senior executives in a large organization receive numerous sales reports of every sale through a corporate dashboard on a weekly basis. The executives are considering budget increases for various functions but would like to know if they are obtaining good returns for current budget allocations. They ask the analytics team to research and answer: "How effective is our marketing

spend?" This question is:

Options:

A.

Already answered in the sales data

B.

Difficult to analyze because its narrowly focused

C.

Sufficient to begin initial analysis

D.

Too broadly scoped to be effectively answered

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Questions 17

There were 7 students enrolled in the Introduction to Artificial Intelligence course. These were the student's scores from the final exam: 64, 70, 80, 80, 90, 98, 100

What is the mean and mode for the outlined scores?

Options:

A.

83.14, 80

B.

79.84, 81.40

C.

80,80

D.

80, 83.14

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Questions 18

What is the relationship between a Customer entity and an Order entity, where a customer entry will be present in the Customer entity only if they have made an order?

Options:

A.

one-to-many

B.

many-to-many

C.

one-to-one

D.

zero-to-one

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Questions 19

A professor at a university has received a few complaints of the exams being too difficult. The professor is looking at exam performance results over the past 5 years to understand the normal tendency and outliers. Which chart should the professor use?

Options:

A.

Sunburst

B.

Scatterplot

C.

Pie chart

D.

Line

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Questions 20

The analytics team scheduled a meeting with key stakeholders to present their recommendations. The team envisioned this as the final step of their work and fully expected complete acceptance of those recommendations, particularly given that very few questions were asked. They were surprised when they received word that the organization wasn't ready to move forward. What did they overlook?

Options:

A.

Stakeholders need to hear the same information multiple times

B.

Stakeholders never make quick decisions

C.

Communicating information requires a written report

D.

Communicating information is bi-directional and iterative

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Questions 21

A manufacturing company, specializing in turf maintenance equipment, has recently seen a decline in their lawn mower sales. As a result, the analytics team is asked to review the latest customer satisfaction survey results. An analyst on this team creates a report for senior management with attractive visuals, supported by the KPI results. Upon reviewing the report, the analyst's manager

mentions that the report is missing the narrative. What does this mean?

Options:

A.

The data tables that support the visuals and help answer questions

B.

A narrative that supports insights with additional context and draws correlations

C.

Notes on assumptions and unavailable data for analysis

D.

Commentary around why each graphic was selected to provide additional context

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Questions 22

With the recent departure of two of its employees, an IT helpdesk team is now understaffed and finding it difficult to keep up with the current workload. The number of tickets being received has increased as well as the number of days to resolve the tickets. The IT manager has set up a meeting with the IT director to request funding for two new helpdesk agents. To prepare for the

meeting, the manager is interested in showing the tickets processed against ticket volume over the past year. What type of chart should the manager use to effectively show the change in processing rate over time?

Options:

A.

A pie chart to compare the number of tickets coming in versus tickets being processed

each month, over the past year

B.

A column chart to compare the number of tickets coming in versus tickets being processed

each month, since June

C.

A line chart to show the widening gap between the number of tickets being processed

against the number coming over the past year

D.

A waterfall chart to show the number of tickets coming in are a lot higher than those being

processed as of year to date

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Exam Code: CBDA
Exam Name: Certification in Business Data Analytics (IIBA - CBDA)
Last Update: Dec 3, 2024
Questions: 150

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