7.2. Bar Graphs, Histograms and Stem-and-Leaf Plots http://www.ck12.org
TABLE7.4:(continued)
City Snowfall
Montreal 123.8
Moncton 104.6
She is going to represent this qualitative data in a bar graph.
Sara has created a very colorful bar graph which includes a title, the category (City) on thex−axisand the frequency
(Snowfall in.) on they−axis. There is an equal space between each of the bars and each of the bars is the same
width.
Example 2:The School Board for your district has to submit a report to the state that tells what percent of their
casual employees work in the transportation department and the ages of these employees. The Board decides to
create a frequency distribution table and then to display this information on a quantitative bar graph.
TABLE7.5:
Bin (Age in yr.) Percent
(20-29) 22
(30-39) 31
(40-49) 38
(50-59) 5