# Question: In their book Empirical Model Building and Response Surfaces John

In their book Empirical Model Building and Response Surfaces (John Wiley, 1987), G. E. P. Box and N. R. Draper describe an experiment with three factors. The data shown in Table 8E.7 are a variation of the original experiment on p. 247 of their book. Suppose that these data were collected in a semiconductor manufacturing process.

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