Question: Repeat Problem 11-25 using a first-order model with the two-factor interactions. Problem 11-25 Consider a 2 3 design for fitting a first-order model. (a) Evaluate

Repeat Problem 11-25 using a first-order model with the two-factor interactions.


Problem 11-25

Consider a 23 design for fitting a first-order model.

(a) Evaluate the D-criterion |(X'X)-1| for this design.

(b) Evaluate the A-criterion tr(X'X)-1 for this design.

(c) Find the maximum scaled prediction variance for this design. Is this design G-optimal? 

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