CompTIA Data+ (DA0-001) Free Practice Exam Questions

302 real CompTIA Data+ (DA0-001) exam questions with answers and AI explanations. CompTIA certification prep — page 13 of 31.

  1. Question 161: A data analyst needs to survey customers about their preferences for various types of soda. Which of the following sampling methods should the analyst use to c…
  2. Question 163: An analyst notices changes in sales ratios when analyzing a quarterly report. Which of the following is the analyst conducting?
  3. Question 164: Which of the following is the BEST example of unstructured data?
  4. Question 165: A data analyst has received a data set that contains actual and projected sales for the fourth quarter of 2019. Which of the following statistical methods shou…
  5. Question 166: Which of the following is the correct extension for a tab-delimited spreadsheet file?
  6. Question 167: 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 fi…
  7. Question 168: Which of the following is the BEST description of the term “data governance”?
  8. Question 169: Company A recently merged with Company B and will be reporting first quarter numbers soon. Prior to the release, an analyst wants to ensure the data was accura…
  9. Question 170: Given the following numbers: 7, 2, 3, 3, 5 Which of the following is the mean?
  10. Question 171: A market research firm has data sets based on surveys. A data analyst wants to know if any outliers are present in a data set. Which of the following would be…