Homework09Solutions

Homework09Solutions - Homework #9 Solutions Problem 1 5-56....

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Unformatted text preview: Homework #9 Solutions Problem 1 5-56. a) Analysis of Variance for Uniformity Source DF SS MS F P Flow 2 3.648 1.824 3.59 0.053 Error 15 7.630 0.509 Total 17 11.278 Reject H at = 0.1. C 2 F 6 flow rate does appear to affect etch uniformity. 200 160 125 5 4 3 FLOW UNIFORMIT b) Examining the box plots, the 125 and 160 mean levels seem to be different. Problem 2 5-64. a) Analysis of Variance for Protopectin Source DF SS MS F P Storage 3 1972652 657551 4.33 0.014 Lot 8 1980499 247562 1.63 0.169 Error 24 3647150 151965 Total 35 7600300 There is a significant difference in mean protopectin content at different storage times. b) P-value = 0.014 (for storage since that is our factor of interest.) c) The results from using four storage days appears to differ than the results using any of the other levels of storage (1, 2, or 3 days). d) 4 3 2 1 1000 500-500 Storage R e sidual Residuals Versus Storage (response is Protopec) 1500 1000 500 1000 500-500 Fitted Value R e sidual Residuals Versus the Fitted Values...
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Homework09Solutions - Homework #9 Solutions Problem 1 5-56....

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