David, a high school senior was wondering if the cost of attending college is worth the
expense. He collected the following data about annual salaries in thousands of dollars, for
college graduates and high school graduates.
College
Grad
41
53
48
45
60
59
55
52
52
50
59 44
59
49
52
High
School
Grad
33
36
36
29
25
43
42
38
27
25
33
41 29
33