CompTIA Data+ Certification - DA0-001 Exam Practice Test
Five dogs have the following heights in millimeters:
300, 430, 170, 470, 600
Which of the following is the mean height for the five dogs?
300, 430, 170, 470, 600
Which of the following is the mean height for the five dogs?
Correct Answer: D
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Given the following athlete workout data (with inconsistent units or formats for time/distance), which of the following best describes the data quality issue?
Correct Answer: D
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A data governance analyst who is reviewing a retailer's data set notices that sales data is captured at the regional level but not at the individual store level. Which of the following best describes the issue with this data set?
Correct Answer: D
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Given the information in the following tables:
Which of the following describes merging these tables to create a master file that includes all transactions for both online and in-store sales?
Which of the following describes merging these tables to create a master file that includes all transactions for both online and in-store sales?
Correct Answer: A
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Given the following table:
Date of visit
Age
Gender
6/1/22
30
Male
6/15/22
65F
Fem.
6/19/2022
24
M
Which of the following describes the data quality issues with the age data?
Date of visit
Age
Gender
6/1/22
30
Male
6/15/22
65F
Fem.
6/19/2022
24
M
Which of the following describes the data quality issues with the age data?
Correct Answer: D
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An analyst is designing a dashboard that will provide a story of the sales and sales customer ratio. The following data is available:
Which of the following charts should the analyst consider including in the dashboard?
Which of the following charts should the analyst consider including in the dashboard?
Correct Answer: A
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A data analyst is developing a data dictionary that aligns with a company's data management processes and policies. Which of the following best describes what should be included in the data dictionary?
Correct Answer: C
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A user imports a data file into the accounts payable system each day. On a regular basis. the field input is not what the system is expecting. so it results in an error for the row and a broken import process. To resolve the issue, the user opens the file, finds the error in the row, and manually corrects it before attempting the import again. The import sometimes breaks on subsequent attempts. though. Which of the following changes should be made to this process to reduce the number of errors?
Correct Answer: C
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Which of the following summary statements upholds integrity in data reporting?
Correct Answer: D
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Which of the following should be accomplished NEXT after understanding a business requirement for a data analysis report?
Correct Answer: D
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Which one of the following is a common data warehouse schema?
Correct Answer: C
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An analyst has conducted a review of business questions. Which of the following should the analyst do next to conduct an analysis?
Correct Answer: B
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Which of the following techniques is used to quantify data?
Correct Answer: B
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