Let's take up an example of e-commerce website where we want to understand customer behavior through its spending habit and frequency of purchase. In other words, we are interested to understand - "To ...

The square of a standard normal variate is known as a chi-square variate with n degree of freedom(d.f.). χ² = Σ(x-µ/σ)², is a chi-square variate with n d.f. The chi-square test is a statistical test ...

What is Fisher's exact test? Fisher’s exact test is a statistical hypothesis test used to assess the association between two binary variables in a contingency table and is particularly useful when ...