CompTIA DA0-001 Practice Test - Questions Answers, Page 29

Which of the following data types must be used when working with variables that require classification into two or more groups before analysis?

An organization would like to add a secondary email field to its customer database in order toenrich the customer profiles. Which of the following data manipulation techniques should the analyst use to add this information?

Which of the following is the best variable formal to store a customer's age using the least possible amount of storage data?

A gambler thinks that a coin is fair and is equally likely to turn up heads or tails when the coin is flipped. Which of the following tests should the gambler use to fest this hypothesis?

An analyst needs to summarize the number of people in Chicago in 2022 using the following set of data:

Which of the following steps should the analyst use to provide results? (Select two).

After the daily ETL jobs are completed, the data in the reports does not appear complete, and a lot of data seems to be missing. Which of the following concepts should be used to assess and investigate further?

A client wants a new report that will be automatically emailed to all global sales teams on a weekly basis. Each sales team must be able to view the sales for its region and the combined sales for all regions. Which of the following would be the most efficient method for meeting the requirements?

Given the following data sample:

Which of the following best describes the data quality issue?

Which of the following is an example of discrete data?