Statistics - Skew (-ed Distribution|Variable)

About

The skew is where is few.

  • A positive skew means that you have few data at the right of the distribution.
  • A negative skew means that you have few data at the left of the distribution.

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When distributions are skewed, the most accurate measure of central tendency is the median

When variables are inherently positive or strongly skewed, such as the weight of a person or the price of a share, may be better described by other distributions, such as:

  • the log-normal distribution
  • or the Pareto distribution.

Skewness

A measure of the extent to which a pmf or pdf “leans” to one side of its mean.


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