bar graph problems

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