One Way Anova Formula Sheet. Sum of squares sum of squares total 𝑆𝑆. Sum of squares ss.
K the number of groups populations values of the explanatory variable levels of treatment ni the sample size taken from group i. The test determines whether the mean differences between these groups are statistically significant. Degrees of freedom df.
Ss total is the total variation in the data.
Computational formulas for anova one way anova let a of levels of the independent variable of groups n total of observations in the experiment n1 of observations in group 1 etc. The df w is equal to the total number of participants minus the number of groups n k. Df factor r 1. μ1 μ2 μ3 μk all the population means are equal h1 null hypothesis.
