Free IIBA CBDA Exam Questions

Become IIBA Certified with updated CBDA exam questions and correct answers

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Total 152 Questions | Updated On: Jan 13, 2026
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Question 1

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?


Answer: A
Question 2

Based on the results of a recently completed analytics initiative, the Human Resource department for a major department store implemented a change to its hiring practice to address the attrition rates of its sales associates. The new policy stated that candidates applying for sales positions must possess at least 3 years of relevant sales experience to be considered. After implementing the change, attrition rates are 10% higher and management is frustrated. Which of the following could result in this outcome?


Answer: D
Question 3

There were 7 students enrolled in the Introduction to Artificial Intelligence course. The scores from the final exam were as follows: 64, 70. 80, 80, 90, 98, 100 What is the mean and median for the outlined scores?


Answer: B
Question 4

A pharmaceutical company is conducting research to determine whether a new medicine in development is more successful in reducing the pain associated with rheumatoid arthritis then their current drug in the market. A group of volunteers are selected for the research. One set of participants is provided the existing drug while a second set of participants is given the new drug.Which technique is being applied?


Answer: C
Question 5

The marketing department for a major restaurant chain is interested in testing a Kids Eat Free campaign to

determine if it will help to increase sales. They are interested in piloting the campaign to determine which day

of the week will improve sales the most.

The campaign is launched across 7 cities with each city promoting a different day of the week. The sales data

is collected and provided to a team for analysis. What concern might the analytics team have regarding data

quality across cities?


Answer: D
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Total 152 Questions | Updated On: Jan 13, 2026
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