Before distributing a report, a marketing analyst notices that the total distinct promotional email messages is less than the combined total of emails sent. Which of the following is the most likely reason for this difference?

• A.The aggregation did not include all emails.
• B.Some emails were not delivered.
• C.The report failed to run properly.
• D.A recipient received duplicate emails.

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A sales manager wants to understand how sales are trending year over year. Which of the following chart types is the most appropriate to display the information?

• A.Line
• B.Donut
• C.Bubble
• D.Hierarchy

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A user needs a report that shows the main causes of customer churn rate in a three-year period. Which of the following methods provides this information?

• A.Inferential
• B.Descriptive
• C.Prescriptive
• D.Predictive

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Which of the following pieces of information, if made public, results in a data privacy violation?

• A.Gender
• B.Driver's license
• C.Age
• D.Employment status

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Which of the following is a reason for sampling?

• A.Data needs to be collected without interference.
• B.The data extraction process needs to be automated.
• C.Many individuals need to be asked a series of questions.
• D.Conclusions need to be drawn from a large population.

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