A disadvantage of the mean as measure of centra... - WAEC Economics 2015 Question
A disadvantage of the mean as measure of central tendency is that?
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
correct option: a
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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