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Just like Skewness, Kurtosis is a moment based measure and, it is a central, standardized moment. bts bon voyage season 4 Because it is the fourth moment, Kurtosis is always positive. immortan joe Kurtosis is sensitive to departures from normality on the tails Because of the 4th power, smaller values of centralized values (y_i-µ) in the above equation are greatly de-emphasized