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In a Multiple Regression Based on 30 Observations,the Following Information

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In a multiple regression based on 30 observations,the following information is provided: In a multiple regression based on 30 observations,the following information is provided: with .Also, evaluated at and is 2.8. A)Construct a 95% confidence interval for if x<sub>1</sub> equals 40 and x<sub>2</sub> equals 30. B)Construct a 95% prediction interval for y if x<sub>1</sub> equals 40 and x<sub>2</sub> equals 30. C)Which interval is narrower? Explain. with In a multiple regression based on 30 observations,the following information is provided: with .Also, evaluated at and is 2.8. A)Construct a 95% confidence interval for if x<sub>1</sub> equals 40 and x<sub>2</sub> equals 30. B)Construct a 95% prediction interval for y if x<sub>1</sub> equals 40 and x<sub>2</sub> equals 30. C)Which interval is narrower? Explain. .Also, In a multiple regression based on 30 observations,the following information is provided: with .Also, evaluated at and is 2.8. A)Construct a 95% confidence interval for if x<sub>1</sub> equals 40 and x<sub>2</sub> equals 30. B)Construct a 95% prediction interval for y if x<sub>1</sub> equals 40 and x<sub>2</sub> equals 30. C)Which interval is narrower? Explain. evaluated at In a multiple regression based on 30 observations,the following information is provided: with .Also, evaluated at and is 2.8. A)Construct a 95% confidence interval for if x<sub>1</sub> equals 40 and x<sub>2</sub> equals 30. B)Construct a 95% prediction interval for y if x<sub>1</sub> equals 40 and x<sub>2</sub> equals 30. C)Which interval is narrower? Explain. and In a multiple regression based on 30 observations,the following information is provided: with .Also, evaluated at and is 2.8. A)Construct a 95% confidence interval for if x<sub>1</sub> equals 40 and x<sub>2</sub> equals 30. B)Construct a 95% prediction interval for y if x<sub>1</sub> equals 40 and x<sub>2</sub> equals 30. C)Which interval is narrower? Explain. is 2.8.
A)Construct a 95% confidence interval for In a multiple regression based on 30 observations,the following information is provided: with .Also, evaluated at and is 2.8. A)Construct a 95% confidence interval for if x<sub>1</sub> equals 40 and x<sub>2</sub> equals 30. B)Construct a 95% prediction interval for y if x<sub>1</sub> equals 40 and x<sub>2</sub> equals 30. C)Which interval is narrower? Explain. if x1 equals 40 and x2 equals 30.
B)Construct a 95% prediction interval for y if x1 equals 40 and x2 equals 30.
C)Which interval is narrower? Explain.

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