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 6.15 6.25 6.4 6.42 6.58 6.65 6.86 7.01 6.89 6.76

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.