What does a standard deviation of 0 indicate about a data set?
Difficulty: Medium
About this MCQ
Medium AP Exams item. Correct choice: A. All values in the data set are identical.
- A. All values in the data set are identical ✓
- B. The data set has no values
Why not B: “The data set has no values” is not All values in the data set are identical.
- C. The data set is normally distributed
Why not C: “The data set is normally distributed” is not All values in the data set are identical.
- D. The mean is equal to zero
Why not D: “The mean is equal to zero” is not All values in the data set are identical.
Correct answer
A. All values in the data set are identical
Explanation
All values in the data set are identical (option A) is the accepted answer to “What does a standard deviation of 0 indicate about a data set”. Option B (The data set has no values) is a different value from All values in the data set are identical. Option C (The data set is normally distributed) is a different value from All values in the data set are identical. Option D (The mean is equal to zero) is a different value from All values in the data set are identical. Keep All values in the data set are identical as the AP Exams fact for this stem.
Source: Original practice question, MCQsHub
Tags: American Exams, AP Statistics, Standard Deviation
Submitted by: MCQsHub Editorial
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