3. (19pts) A portion of the regression output for an application relating maintenance expense (dollars per month) to usa
Posted: Wed May 04, 2022 12:54 pm
3. (19pts) A portion of the regression output for an application relating maintenance expense (dollars per month) to usage (hours per week) for a particular brand of computer terminal follows. In a completely randomized design, 10 experimental units were used. Regression Statistics Multiple R R Square Standard Error Observations ANOVA df MS F Significance F Regression Residual Total Standard Coefficients P-value Lower Upper 95% 95% Error Intercept 6.1092 0.9361 Usage 0.8951 a. Complete the above tables. b. Write the estimated regression equation. c. Use a t test to determine whether monthly maintenance expense is related to usage at the .05 level of significance. d. Did the estimated regression equation provide a good fit? Explain. SS 1575.76 1924.90 t Stat