Moderate
The sum of the deviations about the mean is always______________?
Correct answer: B. Zero
- A. Range
- B. Zero
- C. Total Standard Deviation
- D. Positive
- E. Negative
Explanation
Positive and negative deviations from the arithmetic mean cancel one another, giving a total of zero. This is a defining property of the arithmetic mean.
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.