Tests whether a dataset has normal kurtosis
This function tests the null hypothesis that the kurtosis of the population from which the sample was drawn is that of the normal distribution: kurtosis = 3(n-1)/(n+1).
| Parameters : | a : array 
 axis : int or None 
 | 
|---|---|
| Returns : | z-score : float 
 p-value : float 
 | 
Notes
Valid only for n>20. The Z-score is set to 0 for bad entries.