7.7. Bar Graphs http://www.ck12.org
Lake Michigan –923 ft.
Lake Huron –750 ft.
Lake Ontario –802 ft.
Lake Erie –210 ft.
The bar graph would appear as follows:
Example B
A questionnaire on the makes of people’s vehicles showed the following responses from 30 participants. Construct
a frequency distribution and a bar graph to represent the
data.
(F= Ford,H= Honda,V= Volkswagen,M= Mazda)
F M M M V M F M F V H H F V F
H H F M M V H M V V F V H M F
The frequency distribution and bar graph can be constructed as follows:
TABLE7.10:
Make of Car Number of Cars
Ford 8
Honda 6
Volkswagen 7
Mazda 9