Estimate the factor effects

Estimate the factor effects

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Reference no: EM13303034

An experiment was performed to improve the yield of a chemical process. Four factors were selected, and one replicate of a completely randomized experiment was run. The results are shown in Table E3.4.
(a) Estimate the factor eeffects. Construct a normal probability plot of these eects. Which eeffects appear large?
To assess signif cance use the calibrated Lenth procedure with SMOE to pool errors.
(b) Prepare an analysis of variance table using the information obtained in part (a).
(c) Plot the residuals versus the predicted yield and on normal probability paper. Does the residual analysis appear satisfactory?
(d) Construct a contour plot of yield as a function of the important process variables.

Reference no: EM13303034

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