Question 20 6 Points A large international sales organization has collected data on the number of employees and the annual gross sales during the last 7 years. . .. # of employees sales (in $000s) 1975 100 2010 110 2005 122 2020 130 2030 139 a. Determine the correlation coefficient. b. Determine the coefficient of determination. c. Determine the least squares trend line. Show all your work Use the editor to format your