The DO Loop

Statistical programming in SAS with an emphasis on SAS/IML programs
Analytics
Rick Wicklin 3
The sample skewness is a biased statistic

The skewness of a distribution indicates whether a distribution is symmetric or not. The Wikipedia article about skewness discusses two common definitions for the sample skewness, including the definition used by SAS. In the middle of the article, you will discover the following sentence: In general, the [estimators]are both biased

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