Graphs in general
1
Bar graphs and
Histograms
1
Line graphs Circle graphs
1
1
4
5
2
3
2
3
4
5
2
3
4
5
4
5
2
3

collection of information
Data

A graph that shows data by using picture symbols
Pictograph

Census

Sample

Mode

Bar graph

Histogram

Frequency

Bar graph

Type of graph that would be appropriate to display the numbers of girls and the numbers of boys who use the playground each day for one week?
Double bar graph

Line graph

Percentage of Students Who Are Left
Handed
8.0%
7.0%
6.0%
5.0%
4.0%
3.0%
2.0%
1.0%
0.0%
1960 1970
2.5%
3.7%
4.9%
5.2%
1980 1990
Year
2000 2010
6.7%
2020
Between which two years was the greatest percent change in left handed students
2000-2010

Tem
˚C in two cities
S
Toronto 14 in Oct Montreal 13
M
15
14
Tu
14
13
W
13
12
Th
12
11
F
13
14
S
14
13
Graph that best represents this data
Double line graph

True

Time scale e.g. minutes, days, months or years

Type of graph useful for comparing parts of a whole
Circle graph

Sarah would use this graph to show what part of her total allowance she spends on clothes, entertainment, books ,and other categories
Circle graph

15%
Favorite Ice Cream Flavors
5%
5%
50%
Vanilla
C hocolate
Strawberry
C ookie Dough
Other
25%
A local school survey indicated favorite ice cream flavours for the grade 8 students.
According to the graph the favorite flavour
Vanilla

Favorite Ice Cream Flavors
15%
5%
5%
50%
Vanilla
C hocolate
Strawberry
C ookie Dough
Other
25%
If 40 students like vanilla flavour the best, the number students surveyed
80 students

5%
20%
25%
Favorite Colors
50%
Blue
Red
Green
Purple
Favorite colors of grade 8 students are shown in this circle graph. Ten students had red as their favorite color.
Number of students surveyed
40