A disadvantage of the mean as measure of central tendency is that?

Economics

WAEC 2015

A. is affected by extreme values
B. can only be used for continuous data
C. cannot be used to measure the qualities of a population
D. cannot be determined in group data

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Correct Answer: Option A

Explanation

The important disadvantage of mean is that it is sensitive to extreme values/outliers, especially when the sample size is small. Therefore, it is not an appropriate measure of central tendency for skewed distribution. Mean cannot be calculated for nominal or nonnominal ordinal data.

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