A Researcher Performed a Study to Determine Whether an Association

Essay

A researcher performed a study to determine whether an association exists between political party affiliation and income.She obtained the following sample data. Income Bracket
$$\begin{array}{l}\begin{array} { | l | r | r | r | r | } \hline {party } & Low & Middle & High & Total \\\hline Conservative & 101 & 130 & 97 & 328 \\\hline NDP & 78 & 113 & 146 & 337 \\\hline Other & 15 & 34 & 9 & 58 \\\hline Total & 194 & 277 & 252 & 723 \\\hline\end{array}\end{array}$$ Does the data provide sufficient evidence to conclude that an association exists between political party affiliation and income? Use a 1% level of significance.