Sample Problems on Bar Graphs
Problem 1:
The following table illustrates the average employee salary at Smith, Inc. for each of the last fifteen years. Mrs. Smith, the general manager of Smith, Inc., has been asked to submit to the local newspaper a bar graph illustrating the average employee salary in her company for each of the last 15 years.
Year | Salary |
1983 | 32,500 |
1984 | 33,250 |
1985 | 33,350 |
1986 | 37,400 |
1987 | 32,000 |
1988 | 35,800 |
1989 | 37,800 |
1990 | 34,480 |
1991 | 40,000 |
1992 | 39,500 |
1993 | 36,100 |
1994 | 35,400 |
1995 | 37,500 |
1996 | 38,000 |
1997 | 36,900 |
Problem 2:
Your basketball team, the Ricebirds, has been asked to create a bar graph illustrating your team’s scores for each of its last ten games. The following table illustrates these scores.
Game | Score |
1 | 67 |
2 | 72 |
3 | 71 |
4 | 68 |
5 | 70 |
6 | 65 |
7 | 75 |
8 | 78 |
9 | 77 |
10 | 80 |
Problem 3:
Quality Motor Company is claiming that their cars have increased in quality more significantly than the cars of their competitors. They want to use bar graphs showing the average longevity of cars from each company, as well as their own, for each of the last 12 years. Given the following data for the company, create this bar graph.
Year | Avg. # Years Until Repairs are Needed |
1986 | 2.6 |
1987 | 2.3 |
1988 | 2.5 |
1989 | 2.5 |
1990 | 2.8 |
1991 | 1.9 |
1992 | 3.0 |
1993 | 3.1 |
1994 | 2.8 |
1995 | 3.2 |
1996 | 3.6 |
1997 | 3.5 |
Problem 4:
You are the manager of the local mall, and you want to express to the public the safety of your mall. Use the following data that has been collected during the past year to make a bar graph.
Month | # Crimes Reported |
Jan. | 2 |
Feb. | 1 |
Mar. | 1 |
Apr. | 3 |
May | 4 |
June | 5 |
July | 5 |
Aug. | 4 |
Sept. | 1 |
Oct. | 2 |
Nov. | 1 |
Dec. | 3 |