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Unformatted text preview: PSTAT 120C: Assignment # 6 Due May 28, 2009 1. This is some data adapted from an April CBS News/NY Times poll. A sample of 873 people were divided by race, asked what political party they were a part of, and whether they thought that the country was on the right track or the wrong track. I want to know if conditional on political party, whether race is affecting whether people think that the country is on the right or wrong track. Women Right Track Wrong Track Don’t Know White 122 200 36 Minority 93 36 10 Men Right Track Wrong Track Don’t Know White 117 92 34 Minority 89 34 10 Use the appropriate χ 2 test to test whether people’s opinions on how the country is doing is marginally independent of minority status and gender. 2. A Gallup survey asked each responder whether they thought abortion laws should be stricter. The sociologists are interested in whether there is a generational difference in the attitudes about abortion. The survey respondents were classified by generation (“18–49 years old” andabout abortion....
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- Spring '08
- Null hypothesis, Human skin color, Eye color, Nontotient