Consider Exercise 15.6. Use a +1 and 1 scaling for '-high and low,'- respectively, and do a
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Consider Exercise 15.6. Use a "+1" and "—1" scaling for '-high" and "low,'- respectively, and do a multiple linear regression with the model Y1 = β0 + β1x1i + β2x2i + β12x1ix2i + ε i, with x u = reactant concentration (—1, +1) and x2i = feed rate (-1, +1).
(a) Compute regression coefficients.
(b) How do the coefficients b1, b2, and b12 relate to the effects you found in Exercise 15.6(a)?
(c) In your regression analysis do /-tests oil 61, b 2. And b12, how do these test results relate to those in Exercise 15.6(b) and (e :)?
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Related Book For
Probability & Statistics For Engineers & Scientists
ISBN: 9780130415295
7th Edition
Authors: Ronald E. Walpole, Raymond H. Myers, Sharon L. Myers, Keying
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