6167SU09HW4 - STA 6167 Homework Assn #4 Summer 2009 1....

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STA 6167 Homework Assn #4 Summer 2009 1. Recall the nested data of microbial counts from your “Nested Classifications” class notes: A food microbiologist investigated the “microbial loads” of ground beef in a super market. He obtained 20 packages of ground beef from a super market. He extracted three samples of meat from each package, and made duplicate counts of a species of a microbe in each sample. The data elements are the counts. The factors are SAMPLE, and PACKAGE. Imagine the following modification of that study: Packages 1-5 were obtained from Store A, packages 6-10 were obtained from Store B, packages 11-15 were obtained from Store C, and packages 16-20 were obtained from Store D. Also, from each package, sample 1 was treated with a low dose of chlorine (L), sample 2 was treated with a moderate dose of chlorine (M), and sample 3 was treated with high dose of chlorine (H). A SAS output is included for you to use for the computations.
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This note was uploaded on 01/22/2012 for the course STA 6167 taught by Professor Staff during the Fall '08 term at University of Florida.

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6167SU09HW4 - STA 6167 Homework Assn #4 Summer 2009 1....

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