Analysis of variance (ANOVA) is a statistical analysis tool that separates total variability found within a data set into two components: random and systematic factors.

This article was originally published on Built In by Eric Kleppen. Variance is a powerful statistic used in data analysis and machine learning. It is one of the four main measures of variability along ...

Homogeneity of variance is the assumption that your data sets are equal in variance. It allows for the validation of conclusions for the many tests used in statistical analysis. It also allows you to ...