354as5w11 - STAT 3504 Assignment #5 DUE: Wednesday April 6...

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STAT 3504 Assignment #5 DUE: Wednesday April 6 1. For problem #21.7 in your text (Do by hand) a) Why do you think that "age of subject" was used as a blocking variable? b) A plot of the lipid level reductions vs the 3 levels of fat content is shown for each block (see over page). Does there seem to be an important interaction between blocks and treatments? Why or why not? c) Given that SSTO = 2.75856 set up the ANOVA table and test whether the mean reductions in lipid level differ for the 3 diets. Use α = .01. d) If appropriate, carry out all pairwise comparisons between the 3 diet means. Use a family significance level of = .01. Summarize your results in words and using a line plot. e) What is the relative efficiency of the RBD in this case? Would you recommend using the same blocks in a future experiment? Explain. f) Use SAS to check your results in parts (c) and (d). Data in /CourseFiles/STAT3504A/ch21pr07.dat 2. For the study of #24.9 p1023 in your text use SAS to help you do the following questions.
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This note was uploaded on 05/24/2011 for the course STAT 3504 taught by Professor Ann during the Winter '10 term at Carleton CA.

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