Data Set 13-6: the Numbers in the Cells Are Means

Multiple Choice

Data Set 13-6: The numbers in the cells are means based on samples of 5 in each cell.
$\begin{array}{c}\begin{array}{ccc} &{\text { Experiment X }} \\& \mathrm{B}_{1} & \mathrm{~B}_{2} \\\mathrm{~A}_{1} & 5 & 10 \\\mathrm{~A}_{2} & 10 & 5\end{array}\quad\begin{array}{ccc} & {\text { Experiment } \mathrm{Y}} \\& \mathrm{B}_{1} & \mathrm{~B}_{2} \\\mathrm{~A}_{1} & 5 & 10 \\\mathrm{~A}_{2} & 5 & 10\end{array}\\quad\begin{array}{rlr}{\text { Experiment } \mathrm{Z}} \\& \mathrm{B}_{1} & \mathrm{~B}_{2} \\\mathrm{~A}_{1} & 5 & 5 \\\mathrm{~A}_{2} & 5 & 10\end{array}\end{array}$

-In Data Set 13-6, the main effect of A is not significant in

A) X and Y
B) X and Z
C) Y and Z