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Skewness of a Distribution

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The distribution shown below has a positive skew. The mean is larger than the median.

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The distribution shown below has a negative skew. The mean is smaller than the median.

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The expert discusses skewness of a distribution.

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When you make a histogram (or probability distribution), you can look at the graph and decide whether it is symmetrical, positively skewed, or negatively skewed.

A symmetric distribution (usually you see one peak in the middle - indicating that there are a lot of data points near the middle value - and symmetrical sloping down on either side ...

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