Mean, Median, and Quartiles in Skewed Distributions
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This Demonstration provides a visualization of the relationship between the mean, , and the median,
, in positively (right) and negatively (left) skewed distributions, as well as the quartiles
and
. The positively skewed distributions used are the family of gamma distributions with unit variance and shape parameter
. Beta distributions with parameters
are used for the negatively skewed distributions.
Contributed by: Ian McLeod (March 2011)
Open content licensed under CC BY-NC-SA
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