ANOVA

ANO­VA, or Analy­sis of Vari­ance, is a method for com­par­ing the means of three or more sam­ples to deter­mine if at least one of the sam­ple means dif­fers sta­tis­ti­cal­ly from the oth­ers. Learn the key sta­tis­tics con­cepts of main effects, inter­ac­tion, influ­ence, degrees of free­dom, the F- sta­tis­tic, R‑squared, and how to fol­low the step-by-step process for con­duct­ing one-way and two-way ANOVAs.