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Unformatted text preview: Stat 511 Homework 10 Spring 2011 Due: 5pm, Tuesday Apr 5 The first two problems present you with a description of a study. Each has two (or more) sizes of experimental unit. Some of the “experimental” units are not randomly assigned to treatments. Please ignore that and treat them as if they were randomly assigned. Factors of interest are indicated in CAPITOL letters. If possible, your model should include interactions among treatment factors. For each study, write out the skeleton ANOVA table, i.e., write out the sources of variation and their d.f. Also, indicate the appropriate error term (i.e. denominator MS) for the F test of each treatment effect. 1. The ability of an elderly individual to successfully move from sitting down to standing up is a key part of maintaining independence. Folks in the Kinesiology Department at ISU are studying ways to make it easier for subjects to stand. Easy can be quantified by the time required to stand up. One of those this can be made easier is to change the height of the chair....
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This note was uploaded on 02/11/2012 for the course STAT 511 taught by Professor Staff during the Spring '08 term at Iowa State.
- Spring '08