Data Set 14-3: Each of the following represent data for a chi square test of independence. $\begin{array}{llllllllll}
\mathrm{W} & \mathrm{X} & \mathrm{Y} & \mathrm{Z}\
1 \quad 29 & 1\quad 4 & 1 \quad 12 \quad 10 & 16 \quad18 \quad 27\
29 \quad 30 & 4 \quad 10 & 10 \quad 16 \quad21 & 39 \quad 42 \quad 50\
&&9\quad 13 \quad 18&
\end{array}$
-In Data Set 14-3, the short-cut method can be used on
A) W
B) X
C) Y
D) Z
E) A and b

Question

Quizplus · Accepted Answer

The shortcut method for chi-square tests of independence can be used when all expected frequencies are greater than 5. In Data Set 14-3, both W and X meet this criterion, as their smallest expected frequencies are above 5. Y and Z have expected frequencies below 5, making them unsuitable for the shortcut method.

Data Set 14-3: Each of the Following Represent Data for a Chi