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Karl Pearson simplified the topic of skewness and gave us some formulas to help.

The first is the Pearson mode or first skewness coefficient. It is defined by the (mean-median)/standard deviation. So in this case the Pearson mode is:

(8-6)/2

=1

There is also the Pearson Median. This is also called second skewness coefficient. It is defined as 3(mean-median)/standard deviation which in this case is

6/2

=3

hence the distribution is positive skewed

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14y ago

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