Question 1 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 I 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 c. Compute and enter the value of the correlation coefficient, rounded to four decimal places. d. From the choices below, enter the letter corresponding to the direction and strength of the relationship between number of contacts and sales dollars earned. A. Moderate and positive B. Strong and positive C. Weak and positive D. No relationship e. From the choices below, enter the letter corresponding to the regression equation. A. y=-0.09x+0.79 B. y = 0.97x+0.98 C. y = 0.65x -0.32 D. y = 0.70x-0.09 f. Use the regression equation to estimate the sales dollars earned (in thousands) when 7 contacts are made. Enter your answer rounded to one decimal place. g. Compute and enter the value of the coefficient of determination, rounded to four decimal places. h. From the choices below, enter the letter corresponding to the percentage of the variation in the sales dollars earned that can be explained by the variation in the number of contacts made. A. 96.97% B. 98.47% C. 79.00% D. 83.21%