Graphing Essentials

Pictographs

Find the ratio of the:

Cambridge workforce to the London workforce.

Cambridge workforce to the Brantford workforce.

Hamilton workforce to the Waterloo workforce.

Is a pictograph accurate? Explain.

To create a pictograph for Health Care Employees we would round the number of employees to an appropriate value. For this pictograph, we would use:
= people

Complete the following chart:

CITY	HEALTH CARE EMPLOYEES	ROUNDED VALUE	NUMBER OF
Brantford	4240
Cambridge	4345
Guelph	5290
Hamilton	27 425
Kitchener	7950
London	22 325
Waterloo	3635