Question: Consider a 2 2 factorial experiment with four center points. The data are (1) = 21, a = 125, b = 154, ab = 352,

Consider a 2² factorial experiment with four center points. The data are (1) = 21, a = 125, b = 154, ab = 352, and the responses at the center point are 92, 130, 98, 152. Compute an ANOVA with the sum of squares for curvature and conduct an F-test for curvature. Use α = 0.05.

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