Free IIBA CBDA Exam Questions

Interested in building out the analytics capability based on the positive results obtained by past analytics efforts, the Chief Marketing Officer (CMO) pitches the idea of using analytics to guide future decision making across the enterprise. Before allocating budget to build up an enterprise analytics practice, the decision makers should: 

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?

A Human Resource manager recently learned that their competitor reduced employee attrition rates by 20% after implementing personality tests as part of their screening process. Intrigued by the idea, the manager suggests collecting data on personality tests and attrition rates over the next year. The data from this year is then analyzed to explore possible relationships. What type of analytics has the team been asked to perform? 

A new dataset describing employee salaries is received by a company. A colleague wonders whether a variable follows a Gaussian distribution. Which of the following plots would demonstrate this?

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?