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A routine exercise designed to test one's knowledge; often from a textbook, course, or test used for a class or self-study. This community's policy is to "provide helpful hints" for such questions rather than complete answers.

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Formula for regression function based on intercept and two X points

The model is: y = b0 + b1 x1 + b2 x2 + epsilon The estimated model is: y= b0.hat + b1.hat x1 + b2.hat X2 with b0.hat=12.576, b1.hat=2.32, b2.hat=-1.3. So: y = 12.576 + 2.32 x1 -1.3 x2
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