15 1633333 3 No Independen t 4 57 17 289 0507017 5 No Republican 11

15 1633333 3 no independen t 4 57 17 289 0507017 5 no

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15 10.8 4.2 17.64 1.633333 3 No Independen t 4 5.7 -1.7 2.89 0.507017 5 No Republican 11 13.5 -2.5 6.25 0.462963 3.719019 8 5.991464 5 The p-value associated with the test for independence is 0.156. Since the p-value is greater than the level of significance, 0.05, we cannot reject the null hypothesis of Independence. 4. With regard to question 3, test for the independence of the response (Yes and No) and party affiliation. Use α = .05. Sol. Term Limits Degree of Freedom 2 Level of significance 0.95
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Democrats Independent Republican Yes 17 10 32 59 No 19 9 13 41 36 19 45 Respons e Party Observed Frequency Expected Frequenc y Differenc e Square Chi Values Chi Critical P Value Yes Democrat 17 21.24 -4.24 17.977 6 0.846403 0.077630875 Yes Independen t 10 11.21 -1.21 1.4641 0.130606 6 Yes Republican 32 26.55 5.45 29.702 5 1.1187382 No Democrats 19 14.76 4.24 17.977 6 1.217994 6 No Independen t 9 7.79 1.21 1.4641 0.187946 1 No Republican 13 18.45 -5.45 29.702 5 1.609891 6 5.1115801 5.991464 5 The p-value associated with the test for independence is 0.78. Since the p-value is greater than the level of significance, 0.05, we cannot reject the null hypothesis of independence. 5. Does it appear that there is broad support for change across all political lines? Explain. Sol. As per the analysis there appears to a broad support for change across all political lines with respect to more restrictions on lobbyists. Because there appears to be no relation between the responses and the political parties that the respondents belong to.
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  • Fall '13
  • Fantseng
  • Null hypothesis, Statistical hypothesis testing, Sol., standard normal table

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