A political poll asked potential voters if they felt the economy was going to get worse, stay the same, or get better during the next 12 months. The party affiliations of the respondents were also noted. The results are shown in the following table:

Party Affiliation Response Democrat Republican Independent Get worse 34 30 19 Stay the same 17 22 7 Get better 5 7 9

a. Using a = 0.01, perform a chi-square test to determine if voters’ responses about the economy and their party affiliations are independent of one another.

b. What conclusions can be made based on your results?

c. Verify your results using PHStat.

AppendixLO1