Following is a portion of the Excel output for a regression analysis relating maintenance expense (dollars per month) to usage (hours per week) for a particular brand of computer terminal. ANOVA df SS...

Following is a portion of the Excel output for a regression analysis relating maintenance expense (dollars per month) to usage (hours per week) for a particular brand of computer terminal.

a. Write the estimated regression equation.

b. Use attest to determine whether monthly maintenance expense is related to usage at the .05 level of significance.

c. Did the estimated regression equation provide a good fit? Explain.