Moderate
Harmonic mean cannot be calculated if any one of the values in the data is _____________?
Correct answer: A. Zero
- A. Zero
- B. Negative
- C. Positive
- D. All sign
Explanation
The harmonic mean uses reciprocals, as in n divided by the sum of 1/x values. A zero observation would require division by zero, so the harmonic mean cannot then be calculated.
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.