Question: Lets revisit Model 3, Win = 0 + 1 BA + 2ERA + , estimated with the sample data in Table 15.1.

Let’s revisit Model 3, Win = β 0 + β1 BA + β 2ERA + ε , estimated with the sample data in Table 15.1. Conduct a test to determine if batting average and earned run average are jointly significant in explaining winning percentage at α = 0.05.

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