pracef424 - 1 Practice Final Exam Statistics /M.E. 424 1 (...

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Unformatted text preview: 1 Practice Final Exam Statistics /M.E. 424 1 ( 8 points) Three replicates performed where the three factors are labeled A B and C. A B C Rep. 1 Rep. 2 Rep 3- 1- 1- 1 3 5 4 1- 1- 1 6 4 2- 1 1- 1 11 9 10 1 1- 1 12 15 15- 1- 1 1 10 10 13 1- 1 1 13 11 12- 1 1 1 16 18 17 1 1 1 20 24 22 11 13 12 (a) 2 points How would you describe this design. (b) 2 points Find the estimate of 2 , the variance of a single observation. (c) 4 points Estimate the effects. Use 95% confidence intervals to decide which effects are non-zero. 2 ( 8 points) An experimenter ran an experimental design with two factors Temperature( degrees F) and rate of feed of material into the machine. Low High T emperature : 150 190 Rate of f eed : 5 ft./sec 7 ft/sec and obtained the estimated response surface y = . 5 x 1 + . 8 x 2- 3 x 2 1- 2 x 2 2 + 2 2 x 1 x 2 (a) 2 points Estimate the location of the most extreme response....
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This note was uploaded on 05/15/2008 for the course STAT 424 taught by Professor Peter during the Fall '08 term at Wisconsin.

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pracef424 - 1 Practice Final Exam Statistics /M.E. 424 1 (...

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