최신CompTIA Data+ Certification - DA0-001무료샘플문제
문제1
Which of the following types of analyses is best to use when tracking sales revenue against quarterly targets?
Which of the following types of analyses is best to use when tracking sales revenue against quarterly targets?
정답: B
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문제2
A column is being used to store strings of variable lengths. Performance is a concern, so the column needs to use as little space as possible. Which of the following data types best meets these requirements?
A column is being used to store strings of variable lengths. Performance is a concern, so the column needs to use as little space as possible. Which of the following data types best meets these requirements?
정답: C
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문제3
A customer survey reveals 90% positive feedback. Which of the following statistical methods would be best to utilize to determine the reliability of a data set and predict how a larger sample of customers over the same time period might respond?
A customer survey reveals 90% positive feedback. Which of the following statistical methods would be best to utilize to determine the reliability of a data set and predict how a larger sample of customers over the same time period might respond?
정답: D
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문제4
A data analyst is asked to create a sales report for the second-quarter 2020 board meeting, which will include a review of the business's performance through the second quarter. The board meeting will be held on July
15, 2020, after the numbers are finalized. Which of the following report types should the data analyst create?
A data analyst is asked to create a sales report for the second-quarter 2020 board meeting, which will include a review of the business's performance through the second quarter. The board meeting will be held on July
15, 2020, after the numbers are finalized. Which of the following report types should the data analyst create?
정답: C
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문제5
Given the customer table below:
Which of the following chart types is the most appropriate to represent the average spending of active customers vs. inactive customers?
Given the customer table below:
Which of the following chart types is the most appropriate to represent the average spending of active customers vs. inactive customers?
정답: A
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문제6
Joseph is interpreting a left skewed distribution of test scores. Joe scored at the mean, Alfonso scored at the median, and gaby scored and the end of the tail.
Who had the highest score?
Joseph is interpreting a left skewed distribution of test scores. Joe scored at the mean, Alfonso scored at the median, and gaby scored and the end of the tail.
Who had the highest score?
정답: C
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문제7
Which of the following data cleansing issues will be fixed when a DISTINCT function is applied?
Which of the following data cleansing issues will be fixed when a DISTINCT function is applied?
정답: C
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문제8
A sales manager wants quarterly sales reports broken down by unit and week. Which of the following data output lists includes the most necessary information?
A sales manager wants quarterly sales reports broken down by unit and week. Which of the following data output lists includes the most necessary information?
정답: C
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