CLG Topic 08 - Topic 8 Handout: One Way Analysis of...

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Unformatted text preview: Topic 8 Handout: One Way Analysis of Variance Learning Goals for this Activity: (1) Learn the relationships in the ANOVA table and understand the associated F test; (2) Understand how to get estimates for cell means model (using the output from SAS); (3) Understand how to get estimates for the factor effects model (using the output from SAS). 8.1 A study is focused on the effect of three different drugs on a certain type of cancer cell. Forty five patients were divided into equal groups and each group was assigned one of the three drugs. The percentage reduction of a cancerous tumor after one month was taken to be the response variable. A fourth group of 15 who did not wish to try an experimental drug were kept on standard treatments and measured for the purpose of an experimental control. A partially completed ANOVA table for this study is found below. Complete this table and conduct the model F test stating your results in the context of the problem. Then think about what else needs to be done in analysis. SOURCE DF SS MS F P-value DRUG ____ 2400 ____ ____ <0.001 ERROR ____ ____ ____ TOTAL ____ 4080 8.2 Another study considered seven different teaching methods. Fifty six different classrooms were taught (eight using each method) and the average score on a standardized test was obtained for each classroom....
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This note was uploaded on 02/20/2012 for the course STAT 502 taught by Professor Staff during the Fall '08 term at Purdue University-West Lafayette.

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CLG Topic 08 - Topic 8 Handout: One Way Analysis of...

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