Skewness and Kurtosis Calculator
From Data (8 values)
Formula
Skewness = m3/sd^3, Kurtosis = m4/sd^4, Excess Kurtosis = Kurtosis - 3
Frequently Asked Questions
What is skewness?
Skewness measures asymmetry. Zero = symmetric, positive = right-skewed, negative = left-skewed.
What is kurtosis?
Kurtosis measures tailedness. Excess kurtosis > 0 = heavier tails than normal, < 0 = lighter tails.
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