Skewness And Kurtosis Pdf. In probability theory and statistics kurtosis from greek. Consider the two probability density functions pdfs in exhibit 1.
If a data set exhibits significant skewness or kurtosis as indicated by a histogram or the numerical measures what can we do about it. The converse is not true a non symmetric distribution can have skewness 0. The pdf on the right has higher kurtosis than the pdf on the left.
If a data set exhibits significant skewness or kurtosis as indicated by a histogram or the numerical measures what can we do about it.
Skewness and kurtosis involve the tails of the distribution. Here x is the sample mean. Significant skewness and kurtosis clearly indicate that data are not normal. Two distributions may have the same mean and standard deviation but may differ in their shape of the distribution.
