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Line 23: ==Tukey-lambda PPCC plot for symmetric distributions== {{seealso\|Tukey~~-Lambda~~ lambda distribution}} The Tukey lambda PPCC plot, with shape parameter λ, is particularly useful for symmetric distributions. It indicates whether a distribution is short or long tailed and it can further indicate several common distributions. Specifically, #λ = −1: distribution is approximately [[Cauchy distribution\|Cauchy]]

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