113) in a Multiple Regression Based on 30 Observations, the Following

question 80

Essay

113) In a multiple regression based on 30 observations, the following information is provided:
. Also, evaluated at .

A) Construct a 95% confidence interval for if equals 40 and equals 30.

B) Construct a 95% prediction interval for y if equals 40 and equals 30.

C) Which interval is narrower? Explain.

• A) Construct a 95% confidence interval for if equals 40 and equals 30.
• B) Construct a 95% prediction interval for y if equals 40 and equals 30.
• C) Which interval is narrower? Explain.

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