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 3 of 31.

  1. Question 32: While reviewing survey data, an analyst notices respondents entered “Jan,” “January,” and “01” as responses for the month of January. Which of the following st…
  2. Question 33: Which of the following data cleansing issues will be fixed when a DISTINCT function is applied?
  3. Question 34: A county in Illinois is conducting a survey to determine the mean annual income per household. The county is 427sq mi (2.65q km). Which of the following sampli…
  4. Question 35: Which of the following statistical methods requires two or more categorical variables?
  5. Question 36: Which of the following data manipulation techniques is an example of a logical function?
  6. Question 37: A sales team wants visibility of current sales numbers, pipeline, and team performance. The team would also like to see calculations of individuals’ earned com…
  7. Question 38: Which of the following are reasons to create and maintain a data dictionary? (Choose two.)
  8. Question 40: A research analyst wants to determine whether the data being analyzed is connected to other datapoints. Which of the following is the BEST type of analysis to…
  9. Question 44: An analyst is working with the income data of suburban families in the United States. The data set has a lot of outliers, and the analyst needs to provide a me…
  10. Question 46: Which of the following describes the method of sampling in which elements of data are selected randomly from each of the small subgroups within a population?