6. It is the standardized 3rd central moment of distribution.
Positive skewness. Indicated along right dactyl.
Negative indicate long left detail.
Zero skewness indicate symmetric around the mean.
7. Defined kurtosis
Kurtosis is a measure of the peakedness of the probability
distribution of a real – valued random variable.
It is a the standardized fourth central moment of distribution..
8. kurtosis.
Frequent medium to large change.
Less frequent very large change.
Very frequent small change.
Less frequent very large change.