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homework2

Course Number: PSYC 490, Fall 2009

College/University: University of Illinois,...

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EdPsych/Psych/Soc 589 Applied <a href="/keyword/categorical-data-analysis/" >categorical data analysis</a> C.J. Anderson Homework 2 Due Thursday Feb 12, 2008 1. Problem 2.19, p 59 60 of Agresti (2007). 2. Problem 2.27, p 62 of Agresti (2007). Note: To nd the adjusted residuals using SAS/GENMOD, see page 333 in the text and/or lecture notes. 3. Problem 2.30, p 62 63 of Agresti (2007). 4....

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EdPsych/Psych/Soc 589 Applied <a href="/keyword/categorical-data-analysis/" >categorical data analysis</a> C.J. Anderson Homework 2 Due Thursday Feb 12, 2008 1. Problem 2.19, p 59 60 of Agresti (2007). 2. Problem 2.27, p 62 of Agresti (2007). Note: To nd the adjusted residuals using SAS/GENMOD, see page 333 in the text and/or lecture notes. 3. Problem 2.30, p 62 63 of Agresti (2007). 4. Below is a cross-classi cation of <a href="/keyword/coronary-heart-disease/" ><a href="/keyword/coronary-heart/" >coronary heart</a> disease</a> (CHD) by co ee consumption. The data are from a case-control study of 66 CHD cases and 85 unmatched control cases. Co ee Use Heavy Other CHD cases 40 26 66 non-cases 35 50 85 (a) Analyze these data using methods covered in lecture and/or the text. (b) Supposing that this is a relationship between CHD and co ee usage, Can we conclude that co ee usage causes/prevents <a href="/keyword/coronary-heart-disease/" ><a href="/keyword/coronary-heart/" >coronary heart</a> disease</a> ? What other variable(s) may explain or account for the observed relationship.

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