A corporation has offices in different parts of the country. It has gathered the following information concerning the number of bathrooms and the number of employees at seven sites: Number of employees x Number of bathrooms y 650 40 730 810 900 -0.0094-79.96x 79.96 +0.0094x 79.96 0.0094x 50 54 102 107 1150 61 82 110 121 a. Calculate the correlation between the number of employees and the number of bathrooms? b. The linear regression equation: -0.0094 +79.96x c. Provide the residual plot for the chosen linear regression model from b. d. If a site has 1,150 employees, approximately how many bathrooms should it have?