Tag gaussian

The Lognormal Distribution

If \(Y=\ln X\) is a normal distribution, then \(X\) is log-normal. \begin{equation*} f(x;\mu,\sigma)=\frac{1}{\sqrt{2\pi\sigma}...

The Chi-Squared Distribution

Chi-squared distribution Probability Density Function The parameter is \(\nu\) and it is a positive integer. It is the gamma...

The Normal Distribution

Probability Distribution Function The parameters are \(-\infty<\mu<\infty\) and \(\sigma>0\). \begin{equation*}...