Investigation 5

# Investigation 5 - F G Test Statistic/Chi Square 28.95...

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Vanessa Reapor Statistics 252, Section 07 January 26, 2010 Investigation #5: College Drinking Habits A) Explanatory Variable: Residence location, categorical Response Variable: Drinking habits, categorical B) Observational Study: Not assigned or manipulated by the researchers, and cannot draw cause and effect conclusion. C) Abstain From Drinking Reside on campus: 46/302 = .152 Reside off campus not with parents: 17/141= .121 Reside off campus with parents: 43/143 = .301 Heaving Drinking Reside on campus: 130/302 = .430 Reside of campus not with parents: 52/141 = .369 Reside off campus with parents: 32/143 = .224 D) 0% 20% 40% 60% 80% 100% On Campus Off Campus No Parents Off Campus With Parents Investigation 5: College Drinking Habits Heavy Light/Moderate Abstain

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E) H 0 : Drinking habits of college students who reside: on campus, off campus not with parents, and off campus with parents are all the same. H A: Drinking habits of college students who reside: on campus, off campus not with parents, and off campus with parents are not the same.
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Unformatted text preview: F) G) Test Statistic/Chi Square: 28.95 P-Value: .000 Reject H , .000 < .05 Chi-Square Test: C1, C2, C3 Expected counts are printed below observed counts Chi-Square contributions are printed below expected counts C1 C2 C3 Total 1 46 17 43 106 54.63 25.51 25.87 1.363 2.836 11.348 2 126 72 68 266 137.09 64.00 64.91 0.896 0.999 0.147 3 130 52 32 214 110.29 51.49 52.22 3.524 0.005 7.830 Total 302 141 143 586 Chi-Sq = 28.949, DF = 4, P-Value = 0.000 H) Conclusion: Extremely strong evidence that the drinking habits of college students who reside: on campus, off campus not with parents, and off campus with parents are all different. I) Reside on campus, light or moderate drinking- highest expected count, but gathered data is below. Students who live on campus are more likely heavy drinking, and students who live off campus with parents or without are more likely to abstain from drinking....
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Investigation 5 - F G Test Statistic/Chi Square 28.95...

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