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DSC330_hw3_assignments

# DSC330_hw3_assignments - DSC 330 HW3 Due May 16th in class...

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DSC 330 HW3 Due May 16th in class 1. Textbook 4.18 ( u1D6FC = 5%) (There is a typo in question (b). The null hypothesis should be u1D43B 0 : u1D6FD 1 = ... = u1D6FD 4 = 0.) 2. Textbook 4.20 3. The following two models are used to analyze a sample of size u1D45B = 10. u1D44C = u1D6FD 0 + u1D6FD 1 u1D465 1 + u1D716, u1D716 u1D441 (0 , u1D70E 2 ) (1) u1D44C = u1D6FD 0 + u1D6FD 1 u1D465 1 + u1D6FD 2 u1D465 2 + u1D716, u1D716 u1D441 (0 , u1D70E 2 ) (2) u1D445 2 = 0 . 50 and ˆ u1D70E = 5 for model (1). u1D445 2 = 0 . 72 for model (2). (a) Construct ANOVA tables for the above two models, respectively. (b) Check model utility by doing F-tests at u1D6FC = 5% for the above two models, respectively. (c) Calculate the adjusted u1D445 2 for the above two models, respectively. (d) Compare the above two models by doing an F-test at u1D6FC = 5%. Which one will you recommend? (e) The following model is used to analyze the given data and u1D445 2 = 0 . 8. u1D44C = u1D6FD 0 + u1D6FD 1 u1D465 1 + u1D6FD 2 u1D465 2 + u1D6FD 3 u1D465 3 + u1D716, u1D716 u1D441 (0 , u1D70E 2 ) (3) Check the utility of model (3) at

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DSC330_hw3_assignments - DSC 330 HW3 Due May 16th in class...

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