(a)
H0: Political affiliation and reaction to the word capitalism are independent.
H1: Political affiliation and reaction to the word capitalism are not independent but related to each other.
Expected frequency =row total*Column total/N
(where N =overall total =1466)
The test statistic, Chi-square value = =20.598
Critical value of Chi-square at 0.05 significance level and at df =(r-1)(c-1) =(2-1)(3-1) =2 is =5.991
Conclusion: Since , we reject the null hypothesis(H0) at 5% significance level and so, there is a strong statistical evidence to claim that there is a relationship between the two variables - reaction to the word capitalism and political affiliation. Thus, the evidence suggests that individuals within each political affiliation react differently to the word capitalism.
(b)
Conditional distribution of reaction by political party:
Democrat | Independent | Republican | Total | |
Positive | 235/499 =0.47 | 288/554 =0.52 | 256/413 =0.62 | 779 |
Negative | 264/499 =0.53 | 266/554 =0.48 | 157/413 =0.38 | 687 |
Total | 499 | 554 | 413 | 1466 |
(c)
Among Democrats and Independents, the reaction to the word capitalism is almost equal for positive and negative reactions whereas among Republicans, positive reaction to the word capitalism is more than that of negative reaction. So, it seems "partisan divide" applies more to the Republicans than the Democrats and Independents.
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