A local highway department compiled the following percentages from accident records according to traffic-control method (flashing red light, two-way stop signs, or four-way stop signs) and accident severity (loss of life, major damage, and minor damage):

a. Present the data using three pie charts, one for each of the traffic-control methods.

b. Present all the data in a bar chart in a way that emphasizes differences between accident severity.

c. Present all the data in a bar chart in a way that emphasizes differences between the traffic-control methods.

d. Present the data as a column chart.

e. Discuss the advantages and disadvantages of each of the above graphical methods with respect to these data.

Transcribed Image Text:

Traffic Control Method Flashing red light Loss of Life Major Damage Minor Damage Total 23 41 36 100 Two-way stop signs Four-way stop signs 18 12 82 39 43 100 21 67 100