Become IIBA Certified with updated CBDA exam questions and correct answers
An analyst is looking at a particular dataset that includes the scores across all 8th grade students, across three
schools. The analyst is trying to determine which type of statistics average to use to best represent the results.
On looking through the dataset, the analyst has identified a few extreme outliers. As a result, the analyst was
led to use the following type of average:
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?
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?
The Vice President at a commercial goods manufacturing company wants to create annual objectives for the
team based on the company’s latest strategic goals. The Vice President has reached out to the business
analytics team for data analysis that will help build SMART objectives. What type of analytics will help with
creating these objectives?
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?
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