Skewness Calculator

Calculate the skewness and kurtosis of a distribution

About Skewness

Skewness measures the asymmetry of a probability distribution. A distribution can be:

  • Positively skewed (right-skewed): Tail extends to the right, mean > median
  • Negatively skewed (left-skewed): Tail extends to the left, mean < median
  • Symmetric: Skewness ≈ 0, mean ≈ median

Interpretation Guidelines:

  • |skewness| < 0.5: Approximately symmetric
  • 0.5 < |skewness| < 1: Moderately skewed
  • |skewness| > 1: Highly skewed