Post hoc comparisons are used in one-way ANOVA to compare all the possible
A)pairs of sample variances from different levels of a factor to determine which are significantly different from each other.
B)pairs of sample means from different levels of a factor to determine which are significantly different from each other.
C)variances to each other.
D)pairs of sample means from different factors to determine whether they are significantly different from each other.

Question

Quizplus · Accepted Answer

Post hoc comparisons in the context of one-way ANOVA are specifically used to compare pairs of sample means from different levels of a single factor to determine which pairs differ significantly from each other. This is done after finding a significant overall effect with the ANOVA, to pinpoint where the differences lie.

Post Hoc Comparisons Are Used in One-Way ANOVA to Compare