In a Simple Linear Regression Based on 30 Observations,the Following

question 111

Essay

In a simple linear regression based on 30 observations,the following information is provided: and .Also, evaluated at is 1.3.
A)Construct a 95% confidence interval for E(y)if x = 20.
B)Construct a 95% prediction interval for y if x = 20.

• A)Construct a 95% confidence interval for E(y)if x = 20.
• B)Construct a 95% prediction interval for y if x = 20.

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