Xr02-31 Many business and economics courses require the use of computer, so students often must buy their own computers. A survey asks students to identify which computer brands they have purchased.

The responses are:

1. IBM 2. Compaq 3. Dell 4. Other

a. Use a graphical technique that depicts the frequencies.

b. Graphically depict the proportions.

c. What do the charts tell you about the brands of computers used by the students?