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Unformatted text preview: Rep. 1 Rep. 2 Ignitor Main Charge Booster Delay Delay 1 1 powder 10.70 9.82 2 1 powder 18.42 18.62 1 2 powder 15.04 16.02 2 2 powder 22.94 31.22 1 1 pellet 10.02 10.36 2 1 pellet 22.80 25.14 1 2 pellet 27.26 21.42 2 2 pellet 32.92 21.38 (a) Draw a cube and attach the sample means at the corners. (b) Estimate the the main eFects, the three two factor interactions and the three factor interaction. Base your calculations on your gure in Part(a). (c) Calculate 95 % condence intervals for your estimates in Part (b). (d) Write the design with seven columns of 1 and calculate the estimated eFects using this column and the column of means. 3 Check your answers to problems 1. and 2. Comment on any diFerences. How do the sums of squares for any factor compare with estimated eFect in each case? 1...
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 Fall '08
 peter

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