Name:    Lesson 8.4: Changing the Scale of a Graph

1.

These two graphs show the attendance for home games of the Canadian NHL teams.
Graph 1                                                          Graph 2

Which graph seems to show that the attendance for home games between teams is very different?
 a. Graph 1 b. Graph 2

2.

Which graph in question 1 seems to show that the attendance is about the same for each team?
 a. Graph 1 b. Graph 2

3.

Al’s Pizza Parlour has kept track of the pizza toppings ordered by the students at a nearby school.
Graph 1                                                            Graph 2

Which graph can be used to best show which topping is the least favourite?
 a. Graph 1 b. Graph 2

4.

Which graph from question 3 shows the four most popular toppings more clearly?
 a. Graph 1 b. Graph 2

5.

These bar graphs show the heights of students in the Grade 8 class.
Graph 1

Graph 2

Which graph show that most students are between 150 and 159 cm tall?
 a. Graph 1 b. Graph 2

6.

Which graph from question 5 shows that most students are between 155 and 159 cm?
 a. Graph 1 b. Graph 2

7.

These line graphs show the monthly heating costs from January to June.
Graph 1

Graph 2

Which graph shows a gradual decrease in costs?
 a. Graph 1 b. Graph 2

8.

Which graph from question 7 shows a dramatic decrease in the cost of heating?
 a. Graph 1 b. Graph 2

9.

These line graphs show the Earth’s population at various times in the last 250 years.
Graph 1                                                          Graph 2

Which graph shows a slight change in the Earth’s population in the last 250 years.
 a. Graph 1 b. Graph 2

10.

Which graph in question 9 shows a dramatic increase in the Earth’s population in the last 250 years.
 a. Graph 1 b. Graph 2