A sample of 10 cities with similar populations and monthly sales were assigned different newspaper advertising budgets for one month. The table below summarizes sales?(in $millions) and newspaper advertising budgets?(in $thousands) observed during the study. Complete parts?(a) through?(i).

Sales 6.05 6.19 6.35 6.47 6.54 6.63 6.99 7.08 6.9 6.8

Advertising 2 2 4 4 6 6 8 8 10 10

a. Construct a scatter plot for advertising and sales. Choose the correct graph below.

OD. O A. O B. O C. O O O O 10 7.5- 7.5- 10- Sales Sales Sales Sales 0- 5.5+ 5.5- 5.5 5.5 715 10 10 7.5 Advertising Advertising Advertising Advertising