A researcher performed a study to determine whether political party affiliations are different for different income brackets.She obtained the following sample data. Income Bracket
$$\begin{array}{l}
\begin{array} { | l | r | r | r | r | }
\hline {party } & Low & Middle & High & Total \
\hline Conservative & 101 & 130 & 97 & 328 \
\hline NDP & 78 & 113 & 146 & 337 \
\hline Other & 15 & 34 & 9 & 58 \
\hline Total & 194 & 277 & 252 & 723 \
\hline
\end{array}
\end{array}$$

Question

A researcher performed a study to determine whether political party affiliations are different for different income brackets.She obtained the following sample data. Income Bracket
$$\begin{array}{l}
\begin{array} { | l | r | r | r | r | } 
\hline {party } & Low & Middle & High & Total \
\hline Conservative & 101 & 130 & 97 & 328 \
\hline NDP & 78 & 113 & 146 & 337 \
\hline Other & 15 & 34 & 9 & 58 \
\hline Total & 194 & 277 & 252 & 723 \
\hline
\end{array}
\end{array}$$

Quizplus · Accepted Answer

The correct hypothesis setup for a study examining if political party affiliations differ across income brackets is to start with a null hypothesis (H0) that assumes no difference (i.e., affiliations are distributed the same across brackets), and an alternative hypothesis (HA) that suggests there is a difference. This is what choice E accurately represents.

A Researcher Performed a Study to Determine Whether Political Party