A survey conducted in a small town yielded the results shown in the table. $\begin{array}{l|lc}
&\text { Men }&\text { Women } \
\hline \text { Plan to vote } & 105 & 87 \
\hline \text { Do not plan to vote } & 312 & 246
\end{array}$
i) Test the claim that the intention to vote in the next presidential election is independent of the gender of the pel being surveyed. Use a $0.05$ significance level.
ii) Using Yates' correction, replace $\sum {\frac { ( \mathrm { O } - \mathrm { E } ) ^ { 2 } } { \mathrm { E } }}$ with $\sum{\frac { ( | \mathrm { O } - \mathrm { E } | - 0.5 ) ^ { 2 } } { \mathrm { E } }}$ and repeat the test. What effect does Yates correction have on the value of the test statistic?

Question

A survey conducted in a small town yielded the results shown in the table. $\begin{array}{l|lc} 
&\text { Men }&\text { Women } \
\hline \text { Plan to vote } & 105 & 87 \
\hline \text { Do not plan to vote } & 312 & 246
\end{array}$
i) Test the claim that the intention to vote in the next presidential election is independent of the gender of the pel being surveyed. Use a $0.05$ significance level.
ii) Using Yates' correction, replace $\sum {\frac { ( \mathrm { O } - \mathrm { E } ) ^ { 2 } } { \mathrm { E } }}$ with $\sum{\frac { ( | \mathrm { O } - \mathrm { E } | - 0.5 ) ^ { 2 } } { \mathrm { E } }}$ and repeat the test. What effect does Yates correction have on the value of the test statistic?

Quizplus · Accepted Answer

The Answer of A survey conducted in a small town yielded the results shown in the table. $\begin{array}{l|lc} 
&\text { Men }&\text { Women } \
\hline \text { Plan to vote } & 105 & 87 \
\hline \text { Do not plan to vote } & 312 & 246
\end{array}$
i) Test the claim that the intention to vote in the next presidential election is independent of the gender of the pel being surveyed. Use a $0.05$ significance level.
ii) Using Yates' correction, replace $\sum {\frac { ( \mathrm { O } - \mathrm { E } ) ^ { 2 } } { \mathrm { E } }}$ with $\sum{\frac { ( | \mathrm { O } - \mathrm { E } | - 0.5 ) ^ { 2 } } { \mathrm { E } }}$ and repeat the test. What effect does Yates correction have on the value of the test statistic?

A Survey Conducted in a Small Town Yielded the Results