Question: Use the data from Problem 15.23 to answer the following questions: a. Construct a 95% confidence interval for the regression coefficient for x1 and interpret

Use the data from Problem 15.23 to answer the following questions:

a. Construct a 95% confidence interval for the regression coefficient for x1 and interpret its meaning.

b. Construct a 95% confidence interval for the regression coefficient for x2 and interpret its meaning.

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