Free CompTIA DA0-001 Practice Test & Real Exam Questions
An analyst is working on a project for a director. During this process. the analyst pulled the data. created summarized tables and graphs with descriptions, created a report summary, and inserted all items into a report. After writing the report, which of the following would be the most appropriate next step?
Correct Answer: C
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Which of the following is concatenate typically used to combine?
Correct Answer: B
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A survey asks participants to rate a company on a scale of one to ten. Which of the following best describes the rating variable?
Correct Answer: A
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You are working with a dataset and need to swap the values in rows with those in columns.
What action do you need to perform?
What action do you need to perform?
Correct Answer: B
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You would like to measure how well an organization is achieving its goals.
What type of analysis should you perform?
What type of analysis should you perform?
Correct Answer: C
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The total values in this month's revenue report are twice as much as last month's. Which of the following most likely occurred during the ETL process?
Correct Answer: A
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A data analyst needs to present the results of an online marketing campaign to the marketing manager. The manager wants to see the most important KPIs and measure the return on marketing investment. Which of the following should the data analyst use to BEST communicate this information to the manager?
Correct Answer: D
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A data analyst is using a two-tailed, independent t-test to determine whether the type of stretching, dynamic or static, has any influence on a dancer's flexibility. Which of the following is the alternative hypothesis?
Correct Answer: C
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Which of the following would be the best way to identify multicollinear attributes in a data set?
Correct Answer: A
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An analyst wants to create a historical data set for the past five years with each year in its own data set. Which of the following methods is the best way to create this historical data set?
Correct Answer: A
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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?
Which of the following tests should the gambler use to fest this hypothesis?
Correct Answer: D
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An employer needs to maintain adequate office staffing during the winter and wants to track storm data.
Which of the following data collection methods should the employer use?
Which of the following data collection methods should the employer use?
Correct Answer: A
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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?
Correct Answer: B
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Which of the following concepts should be applied if a data set with 40 fields needs to be pared down to 20 fields and contains similar data across multiple fields?
Correct Answer: D
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An analyst has generated a report that includes the number of months in the first two quarters of 2019 when sales exceeded $50,000:
Which of the following functions did the analyst use to generate the data in the Sales_indicator column?
Which of the following functions did the analyst use to generate the data in the Sales_indicator column?
Correct Answer: C
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