In one-way ANOVA, the variance is partitioned into two parts. What are those two parts?
a. Variance within mean #1 and variance within mean #2
b. Variance between groups and variance within groups
c. Degrees of freedom of mean #1 and degrees of freedom of mean #2
d. The p values of mean #1 and p values of mean #2
Ans: b. Variance between groups and variance within groups
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