An insurance company wants to establish the relationship between the number of new policies registered by each salesperson and the number of customers contacted by each salesperson.The data in the table below was collected during the last four weeks: Number of customers Number of new Salesperson contacted policies registered 1 30 10 25 6. 3 60 15 4 20 4 40 15 55 18 7 30 10 Required: a) Calculate/develop the least squares estimated regression equation. b) Compute and interpret the coefficient of determination. c) Calculate and interpret the correlation coefficient between the number of customers contacted and the number of new policies registered.