Learn what analysis of variance (ANOVA) is, how it works, and when to use it. See how it helps compare means across multiple data groups in statistics and research.

In the two-factor factorial fixed effects ANOVA, no interaction between factors may be demonstrated graphically by connecting population cell means to form a set of parallel piecewise linear curves.

Discover how efficiency variance reveals the gap between expected and actual inputs in production and its impact on labor, materials, and costs.

In a two-level factorial experiment, we consider construction of parallel-flats designs with two identical parallel flats that allow estimation of a set of specified ...