Anyone attending college realizes tuition costs have increased rapidly. In fact, tuition had risen at a faster pace than inflation for more than two decades. Data showing costs for both private and public colleges, for selected years, are shown below.

Year 1984 1989 1994 1999 2004 Private College Tuition $9,202 $12,146 $13,844 $16,454 $19,710 Public College Tuition $2,074 $ 2,395 $ 3,188 $ 3,632 $ 4,694

a. Construct one bar graph illustrating the relationship between private and public university tuition for the displayed years.

b. Describe the tuition trend for both private and public college tuition.