Reference no: EM132413562

A political researcher wishes to know if political affiliation and age are related. He has collected data on 409 persons in three age categories. Is there evidence that age and political affiliation are related?

Age Democrat Republican Independent Total

18-31 61 57 34 152

32-51 59 63 29 151

52-68 40 43 23 106

Total 160 163 86 409

Step 2 of 8: Find the expected value for the number of democrats that are 18-31 years old.

Step 3 of 8: Find the expected value for the number of democrats that are 32-51 years old.

Step 4 of 8: Find the value of the test statistic.

Step 5 of 8: Find the degrees of freedom associated with the test statistic for this problem.

Step 6 of 8: Find the critical value of the test at the 0.05 level of significance.

Step 7 of 8: Make the decision to reject or fail to reject the null hypothesis at the 0.05 level of significance.

Step 8 of 8: State the conclusion of the hypothesis test at the 0.05 level of significance.