The proof, known to be so hard that a mathematician once offered 10 martinis to whoever could figure it out, uses number ...

Data distribution is fundamental to analysing and interpreting statistical information. It involves categorising data types (univariate vs. bivariate; categorical vs. numerical) and choosing the ...

Where \(X\) is a normally distributed random variable with mean \(\mu\) and standard deviation \(\sigma\). The peak of the curve occurs at \(x=\mu\), and the spread ...