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A 31-run experiment was conducted with 6 independent predictor variables. The table below gives the SS res for all possible fitted models in the six

A 31-run experiment was conducted with 6 independent predictor variables. The table below gives the SSres for all possible fitted models in the six variables.Select a "best" model using each of the approaches in a-f stated below.Use ??=0.05?

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Variables in Model Variables in Model Variables in Model SSree Variables in Model none 11.058 *3, x4 1 453 x2, x3, x4 1.041 x1, x3, x4, x5 D.561 x1 0.607 *3, x5 9.891 x2, x3, X5 9.362 x1, x3, x4, x6 D.555 x2 10.795 *3, X6 6 848 X2, X3, X6 8.838 x1, x3, x5, x6 D.561 X3 10.633 X4, x5 1 397 x2, x4, x5 1.030 x1, x4, x5, x6 D.553 1.522 X4, X6 1 507 x2, X4, X6 1.192 x2, x3, x4, x5 D.958 X5 9.922 x5, x6 7.680 *2, *5, X6 7.679 x2, x3, x4, x6 D.995 X6 9.196 *1, x2, x3 0.498 X3, X4, X5 1.383 x2, x3, x5, x6 7.675 x1, x2 0.499 *1, x2, x4 0.450 X3, X4, X6 1.437 x2, x4, *5, X6 1.024 x1, x3 D.600 *1, x2, x5 0.477 x3, x5, X6 7.678 x3, x4, x5, X6 1.342 x1, x4 0.582 *1 x2, X6 0.367 x4, x5, X6 1.352 x1, x2, x3, x4, x5 x1, x5 D.412 0.597 *1, x3, x4 0.581 x1, x2, x3, x4 0.441 x1, x2, x3, x4, x6 D.311 x1, x6 0.576 *1, X3, X5 0.582 x1, x2, x3, x5 0.475 x1, x2, x3, x5, x6 D.364 X2, x3 10.168 *1, X3, X6 0.567 x1, NZ, X3, X6 0.365 x1, x2, x4, x5, x6 D.313 x2, x4 1.218 *1, x4, x5 0.569 x1, x2, x4, x5 0.413 x1, x3, x4, x5, x6 D.545 x2, x5 9.479 *1, x4, X6 0.558 x1, x2 x4 x6 0.323 x2, X6 x2, x3, x4, X5, x6 0.939 9.192 x1, x5, X6 0.574 x1, x2, x5, x6 0.364 x1, x2, x3, x4, x5, x6 0.307

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