Moderate
The first moment about means is always_________________?
Correct answer: A. Zero
- A. Zero
- B. 1
- C. Negative
- D. None of these
Explanation
The first central moment is the mean of deviations from the mean, and positive and negative deviations cancel exactly. Therefore the first moment about the mean is zero.
Last updated
Practise Descriptive Statistics
238 free Descriptive Statistics MCQs from Statistics, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Statistics questions like this
Statistics is on this paper prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for it.