A t-distribution is a type of probability function that is used for estimating population parameters for small sample sizes or unknown variances.

Here at 13WMAZ we keep you up to date on the daily outlook, and to best prepare for your summer fun, let's break down what these rain predictions really mean. So, what is the chance of rain?

Probability of precipitation (PoPs) is one of the most common elements of a forecast you see on websites and weather apps, ...