Skewness and Kurtosis

You will learn about the skewness and kurtosis, which are important properties of distributions, in this lesson.


Skewness refers to the distortion or asymmetry in a Bell Curve or Normal Distribution. It tells us how much a distribution varies from the Normal Distribution. A Normal Distribution has a Skewness of zero. A distribution can be right (positively) or left (negatively) skewed.

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