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 7 of 31.

1. Question 87: Which of the following is a difference between a primary key and a unique key?
2. Question 88: Which of the following best describes how discrete data differs from continuous data?
3. Question 89: Which of the following file formats is best suited to start exploratory analysis within statistical software?
4. Question 90: An analyst wants to model the relationship between a set of continuous variables in order to predict the value of an output variable based on the values of a s…
5. Question 91: The duration of a phone call in milliseconds is an example of:
6. Question 92: Under which of the following circumstances should the null hypothesis be accepted when α = 0.05?
7. Question 93: Which of the following is the first step an analyst should perform upon receiving a business request for analysis?
8. Question 94: Joe, an analyst, tests the loading time on a dashboard he is preparing to go live and finds it is slower than he would like. Which of the following must occur…
9. Question 96: A sales analyst needs to report how the sales team is performing to target. Which of the following files will be important in determining 2019 performance atta…
10. Question 97: Which of the following is the best reason to use database views instead of tables?