QUESTION 4 A sales manager for an advertising agency believes there is a relationship between the number of contacts and the amount of the sales. To verify this belief, the following data was collected: Salesperson Number of Contacts Sales (in thousands) 1 2 3 4 5 6 7 8 9 10 14 12 20 16 46 23 48 50 55 50 H2b%8% 24 14 28 30 80 30 90 85 120 110 What is the slope of the linear equation? 0 -12.201 O 12.201 02.1946 -2.1946