Kurtosis Meaning

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Video shows what kurtosis means. A measure of "peakedness" of a probability distribution, defined as the fourth cumulant divided by the square of the variance of the probability distribution.. Kurtosis Meaning. How to pronounce, definition audio dictionary. How to say kurtosis. Powered by MaryTTS, Wiktionary
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This definition is wrong. Kurtosis does not measure peakedness at all.

You can have infinite kurtosis with a flat-topped distribution, and you can have negative excess kurtosis with an infinitely pointy distribution. Kurtosis is a measure of heaviness of the tail (or outlier potential), not a measure of peakedness.

peterwestfall
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