The contingency table below shows the results of a random sample of 200 registered voters that was conductedto see whether their opinions on a bill are related to their party affiliation. Use α = 0.05. $$\begin{array}{l}
\begin{array} { l | c c c }
\text { Party } &{ \text { Opinion } } \
\hline & \text { Approve } & \text { Disapprove } & \text { No Opinion } \
\text { Republican } & 42 & 20 & 14 \
\text { Democrat } & 50 & 24 & 18 \
\text { Independent } & 10 & 16 & 6
\end{array}\
\text { Find the critical value } \chi _ { 0 } ^ { 2 } \text {, to test the claim of independence. }
\end{array}$$
A) 9.488
B) 7.779
C) 11.143
D) 13.277

Question

The contingency table below shows the results of a random sample of 200 registered voters that was conductedto see whether their opinions on a bill are related to their party affiliation. Use α = 0.05. $$\begin{array}{l}
\begin{array} { l | c c c } 
\text { Party } &{ \text { Opinion } } \
\hline & \text { Approve } & \text { Disapprove } & \text { No Opinion } \
\text { Republican } & 42 & 20 & 14 \
\text { Democrat } & 50 & 24 & 18 \
\text { Independent } & 10 & 16 & 6
\end{array}\
\text { Find the critical value } \chi _ { 0 } ^ { 2 } \text {, to test the claim of independence. }
\end{array}$$
A) 9.488
B) 7.779
C) 11.143
D) 13.277

Quizplus · Accepted Answer

The critical value for a chi-square test of independence with a 0.05 significance level and degrees of freedom calculated as (rows - 1) * (columns - 1) = (3 - 1) * (3 - 1) = 4 is 9.488.

The Contingency Table Below Shows the Results of a Random