News

Variance is a statistical measurement of how large of a spread there is within a data set. It measures how far each number in the set is from the mean (average), and thus from every other number ...
A categorical variable is defined as one that can assume only a limited number of values. For example, a person's sex is a categorical variable that can assume one of two values. Variables with levels ...
Analysis of variance ... Data is not normally distributed • Comparing the financial performance of two groups with non-normal distributions One-Sample T-Test Compares a sample mean to a known ...