JaVE AITSWET A sales manager for an advertising agency believes that there is a relationship between the number of contacts that a salesperson makes and the amount of sales dollars earned. The following data were collected: Number of Contacts Sales Dollars Earned (thousands) 12 9.3 8 5.6 5 4.1 11 8.9 9 7.2 a. From the choices below, enter the letter corresponding to the dependent variable. A. sales manager B. number of contacts C. sales dollars earned D: advertising agency b. From the choices below, enter the letter corresponding to the indepedent variable. A. sales manager B. number of contacts C. sales dollars earned D. advertising agency Search 9:14 PM 12/16/2022