Kurtosis

The Kurtosis of a distribution is a measure of the peakedness or flatness of a distibution compared with a normal distribution.
The KURT function returns a positive value if the distribution is relatively peaked compared with the normal distrobution
This function returns a negative value if the distribution is relatively flat.

Leptokurtic Distribution

excessively peaked, fat tails

Mesokurtic Distribution

Platykurtic Distribution

excessively flat