Become IIBA Certified with updated CBDA exam questions and correct answers
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?
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?
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?
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?
While creating a dataset for analysis, the analyst reviews the data collected and finds a large percentage of
records are missing values. Which activity would the analyst perform in order to use this dataset?
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