State the hypothesis in terms of the model parameters

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Reference no: EM131404509

Testing for curvature. Consider the secondorder model relating E(y) to three quantitative independent variables, x₁, x₂, and x₃:

E(y) = β₀ + β₁x₁ + β₂x₂ + β₃x₃ + β₄x₁x₂ + β₅x₁x_{3 +}β₆x₂x_{3 +}β₇x₁^{2 +}β₈x₂2 + β9x₃2

(a) Specify the parameters involved in a test of the hypothesis that no curvature exists in the response surface.

(b) State the hypothesis of part a in terms of the model parameters.

Reference no: EM131404509

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