Data Set 11-5 $$\begin{array} { r r c } \text { Group A } & \text { Group B } & \text { Group C } \\\hline8 & 13 & 15 \\10 & 15 & 17\end{array}$$

Multiple Choice

Data Set 11-5: $$\begin{array} { r r c } \text { Group A } & \text { Group B } & \text { Group C } \\\hline8 & 13 & 15 \\10 & 15 & 17\end{array}$$
-Descriptions for Groups A, B, and C in Data Set 11-5 follow. For which would the ANOVA described in Chapter 11 not be appropriate?

A) 10 mg, 20 mg, and 100 mg of a new drug, 6 rats
B) Yale, Princeton, and Harvard, 6 students
C) before, after, and three months later, 2 rats
D) all of the descriptive alternatives are correct.