In an analysis of variance, if the null hypothesis is false, then
A) the variation between sample means reflects the variation within the populations as well as the variation between the population means.
B) the within-groups variance is significantly larger than the between-groups variance.
C) the variance within each sample is larger than if the null hypothesis were true.
D) the variance between sample means is no greater than the variance within the population with the largest variance.
A
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