At the March meeting of the board of directors for the Graystone Services Company, one of the regional managers put the following data on the overhead projector to illustrate the ratio of the number of units manufactured to the number of employees at each of Graystone’s five manufacturing plants:
Plant Location Units Manufactured/Employees
Bismarck, ND……………………………..14.5
Boulder, CO………………………………..9.8
Omaha, NE………………………………..13.0
Harrisburg, PA…………………………….17.6
Portland, ME……………………………….5.9
a. Discuss whether a pie chart or a bar chart would be most appropriate to present these data graphically.
b. Construct the chart you recommended in part a.