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.
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