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CompTIA DA0-001 Practice Test - Questions Answers, Page 37

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Question 361

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Consider two different datasets, one with gas prices and the other with food prices. Which of the following measures is most affected by outliers?

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Question 362

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A data analyst is working for a shipping company and calculating the volume of boxes according to the following formula: volume = height width depth. Which of the following variable types describes volume?

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Question 363

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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?

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Question 364

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An analyst computed a new variable of income per day in the household by multiplying the number of days worked by the number of people working in the household and the income earned per day. Which of the following is the correct name for this new variable?

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Question 365

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Which of the following is an example of a strategy to reduce statistical errors?

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Question 366

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A data analyst is setting up a data dashboard to monitor several ETL data streams to ensure that data is complete for later analysis. Which of the following audiences should the analyst target for this dashboard?

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Question 367

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A sales manager requested a report that contains the first name, last name, and phone number of all the company's customers and employees. The data engineer needs to return all the records from several tables, even duplicates. Which of the following is the best way to join the two tables?

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Question 368

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Which of the following data types is best for representing count data?

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Related questions

Refer to the exhibit. A data analyst needs to calculate the mean for Q1 sales using the data set below: Which of the following is the mean?
A JSON file is an example of:
Refer to the exhibit. Given the following data tables: Which of the following MDM processes needs to take place FIRST?
Which of the following techniques is used to quantify data?
Which of the following is an example of structured data?
Which of the following data cleansing issues will be fixed when a DISTINCT function is applied?
Which of the following best describes an exploratory analysis?
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