Encyclopedia : Q : QQ : QQP (2 articles)

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Q-Q plot
In statistics, a Q-Q plot ("Q" stands for quantile) is a tool for diagnosing differences in distributions (such as non-normality) of a population from which a random sample has been taken. One plots the k/(n + 1)-quantiles of the comparison distributon (i.e. the normal distribution) on t..

 

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