re - Random Effects Exercise Respond to the following...

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Unformatted text preview: Random Effects Exercise Respond to the following questions individually then discuss your answers in your group. You should hand in your individual response. We will discuss your group responses and then I will lecture on advanced topics. 2 1. Estimate variance components στ and σ 2 from the following one-way random effects ANOVA table: Source Treatment Error Total df 3 24 27 SS 80 120 200 MS 26.67 5 7.41 2. Run the SAS code for a two-way random effects model provided on the web page. Copy the data provided into a Minitab worksheet and analyze the data using General Linear Model under the ANOVA menu. Be sure to list both effects in the Random Factors box and include the interaction in the model box (e.g., C1 C2 C1*C2). (a) For which effects are SAS’s Type III tests correct? Which ones are incorrect? (b) Do you know the SAS commands needed to compute the correct test statistics? Add these command(s) to the SAS source code and compare SAS’s output to Minitab’s GLM Model output. 1 ...
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This note was uploaded on 10/01/2009 for the course STAT stat706 taught by Professor Johnm.grego during the Spring '08 term at South Carolina.

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