assignment7

Bb the analysis was done using coded units estimated

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Unformatted text preview: have to be included in the regression model. There is also evidence of pure quadratic curvature. Using Minitab: Response Surface Regression: Replicates versus A, B The following terms cannot be estimated, and were removed. B*B The analysis was done using coded units. Estimated Regression Coefficients for Replicates Term Constant A B A*A A*B Coef 0.10190 -0.03862 -0.02813 0.01463 0.01608 S = 0.00689372 R-Sq = 98.19% SE Coef 0.003083 0.001541 0.001541 0.003447 0.001541 T 33.053 -25.054 -18.249 4.244 10.432 P 0.000 0.000 0.000 0.000 0.000 PRESS = 0.00148511 R-Sq(pred) = 97.18% R-Sq(adj) = 97.83% Analysis of Variance for Replicates Source Regression Linear Square Interaction Residual Error Pure Error Total DF 4 2 1 1 20 20 24 Seq SS 0.051684 0.045656 0.000856 0.005171 0.000950 0.000950 0.052634 Adj SS 0.051684 0.045656 0.000856 0.005171 0.000950 0.000950 Adj MS 0.012921 0.022828 0.000856 0.005171 0.000048 0.000048 F 271.88 480.35 18.02 108.82 P 0.000 0.000 0.000 0.000 Unusual Observations for Replicates Obs 6 16 StdOrder 6 16 Repli...
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This document was uploaded on 03/20/2014 for the course EECS 6.780J at MIT.

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