Mann-Whitney Non Parametric Hypothesis Test is used to compare two sample means that come from the same population.
The Sum of Squares technique calculates a measure of the variation in an experiment. Used in Designed experiments and Anova.
Regression Analysis is a way of estimating the relationships between different variables by examining the behavior of the system.
In Design of Experiments, blocking involves recognizing uncontrolled factors and ensuring as wide a spread across these factors.
Confounding occurs when you can’t distinguish the effects of certain factor interactions because of other potential factor effects.