Test the hypothesis of independence.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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No smoking: The General Social Survey conducted a poll of 666 adults in which the subjects were asked whether they agree that the government should prohibit smoking in public places. In addition, each was asked how many people lived in his or her household. The results are summarized in the following contingency table.

  Household Size
 
1
2
3
4
5
Agree
74
118
52
31
45
No Opinion
30
53
24
21
23
Disagree
36
71
34
40
14

Send data to Excel. Test the hypothesis of independence. Use the =α0.10 level of significance and the P-value method with the TI-84 Plus calculator. What do you conclude?

(b) Find the P-value.

(c) Do we reject?

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