noun
- a statistical measure of the sharpness or flatness of the peak of a probability distribution curve
Usage: statistics; mathematics
Examples
- The kurtosis of the data set indicated a distribution with heavy tails.
- Normal distributions have a kurtosis value of zero.
- High kurtosis suggests more extreme outliers in the dataset.
- The researcher calculated the kurtosis to better understand the shape of the distribution.
- Negative kurtosis indicates a flatter distribution than normal.
- Financial analysts often examine kurtosis when assessing investment risk.