A follow-up experiment to better understand net promoter scores was conducted using a one-way factorial design with K sample means, each based on n scores. What is the number of degrees of freedom for the between mean squares?
A) n -1
B) K- 1
C) n -K
D) (n - 1)(K - 1)

Question

Quizplus · Accepted Answer

The number of degrees of freedom for the between mean squares in a one-way ANOVA, which is used to analyze the differences among group means in a situation like this, is K - 1, where K is the number of groups or sample means.

A Follow-Up Experiment to Better Understand Net Promoter Scores Was