The Japan Automobile Manufacturer's Association provides data on exported vehicles in Motor Vehicle Statistics of Japan. In 2010, cars, trucks, and buses constituted 88.3%, 9.3%, and 2.4%of vehicle exports, respectively. A random sample of last year's exports yielded the vehicle-type data on the WeissStats site.

a. Determine a frequency distribution.

b. Obtain a relative-frequency distribution.

c. Draw a pie chart.

d. Construct a bar chart.

If an exercise discusses more than one data set, do parts (a)-(d) for each data set.