# Question

Refer to Exercise 11.24. Fit a regression model relating yield to the absolute deviation from the ideal planting date, that is, x = | D|.

a. Compute the estimated linear regression model = β0 + β1x.

b. Estimate σ2e.

c. Estimate the standard error of β1.

d. Place a 95% confidence interval on β1.

e. Test the hypothesis that there is a linear relationship between yield per acre and absolute deviation from the ideal planting date. Use a = .05.

In exercise

a. Compute the estimated linear regression model = β0 + β1x.

b. Estimate σ2e.

c. Estimate the standard error of β1.

d. Place a 95% confidence interval on β1.

e. Test the hypothesis that there is a linear relationship between yield per acre and absolute deviation from the ideal planting date. Use a = .05.

In exercise

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