A book enthusiast wanted to predict Amazon book prices. He is considering the following variables: NumPages, Height, Thick, and Weight. Run the Forward Selection method using AIC criterion and determine what variable should be added first. Author Cary McNeal Ben Mezrich Smith Amazon Price 5.18 10.2 NumPages 304 273 96 Height 7.8 8.4 83 Thick 0.8 0.7 0.3 Weight (oz) 11.2 7.2

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