Unformatted text preview: y = 9 + x 1 z 1 + x 2. 5 z 1 + x 3 z 2 , where z 1 and z 2 have means 0 and variances 2 and 1 respectively. Suppose 10 is the target value of the response, then ﬁnd the robust setting for the control factors. 3. (a) In the problem above, suppose the response model is y = 9 + x 1 z 1 + 2 x 2 z 1. 5 z 1 + 2 x 3 + 2 x 1 z 2 + x 2 z 2z 2 . Find the robust setting for the control factors. (b) Suppose in the above problem, the response model were y = 9 + x 1 z 1. 5 z 1 + x 2 + x 1 z 2z 2 , then what would be the robust setting for the control factors. 4. Solve Exercise 13.3 from the textbook. 1...
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 Spring '08
 RoshanV
 Patrick Stewart, Famke Janssen, control factors

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