Mathematics, 21.03.2020 02:02 Wolfgirl2032

A public opinion poll surveyed a simple random sample of 1000 voters. Respondents were classified by gender (male or female) and by voting preference (Republican, Democrat, or Independent). Results are shown in the contingency table at right. Based on this information, Do the men's voting preferences differ significantly from the women's preferences? Use a 0.05 level of significance.

A) State the Null and Alternative Hypotheses.

B) Fill in the totals in the Voting Preferences table, then the Expected Values table.

C) Run the appropriate test at the 5% significance level to see if there is a difference in any groups. Choose cell D25 for your output.

D) Highlight the p-value & make a decision based on the results of your test. What does this mean in this case?

Expected Values
Republican Democrat Independent
Male
Female
p =
Voting Preferences
Republican Democrat Independent Totals
Male 200 150 50
Female 250 300 50
Totals

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A public opinion poll surveyed a simple random sample of 1000 voters. Respondents were classified by...