hw02_2011

# hw02_2011 - methods Part 3 Derive the Expected Mean Squares...

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STA 6208 – Homework 2 – Due Wednesday, 2/2/11 Kuehl: Chapter 2 Exercises: 1,3,5,7,8,9 Part 2: Comparison of Three Methods of Teaching Drawing to Children – Summary Stats Experiment to compare effects of 3 methods on improving drawing: Edwards' Training Procedure (ET), (n=19, Mean=7.02, SD=3.26) placebo control group involving a sham (nonsensical) treatment (ST), (n=18, Mean=7.90, SD=3.03) waiting list control group (WC). (n=16, Mean=2.40, SD=3.12) Scores are differences in drawing rating scores (post tx - pre tx). o Conduct a 1-Way ANOVA and obtain 95% CI’s for population means of each of the
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Unformatted text preview: methods. Part 3: Derive the Expected Mean Squares for Treatments and Error for the 1-Way ANOVA. Part 4: Simulate 1000 random samples from each of the following models, and obtain the approximate probability of rejecting H : μ 1 = μ 2 = μ 3 at α = 0.05 significance level. ( 29 2 ~ 0, ij i ij ij i y e e NID μ σ = + μ1 μ2 μ3 σ1 σ2 σ3 r 100 100 100 10 10 10 10 100 100 100 20 10 5 10 90 100 110 10 10 10 10 90 100 110 20 10 5 10...
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