a. Identify the predicted compensation with the productivity of 100. Calculate the residual for the observation of the base year, 1992?
b. Is there strong evidence that the compensation is linearly related to productivity?
c. Identify a 95% confidence interval for the slope parameter B2.
d. Is there strong evidence that B2 is greater than 0.65? Justify your answer using the level of significance alpha=0.05.
e. Identify the 90% confidence interval for the mean compensation when the productivity is 85 and interpret the CI.
f. Identify the 90% confidence interval for the compensation of a year when the productivity is 85 and interpret the CI.