Reading Graphs

1
Reading Graphs

• Objective to be able to discuss and interpret
  graphs

2
Compare the two pie charts
3
Pop music is more popular in 8N than in 8W. Is
this true?
4
10 out of 30 in 8N prefer pop music. This is 1/3
or 33
10 out of 40 in 8W prefer pop music. This is ¼
or 25
The same number of people in both classes prefers
pop music
5
More people like rock music in 8N than in 8W.
Is this true?
6
5 out of 30 in 8N prefer pop music. This is 1/6
or 16.6
5 out of 40 in 8W prefer pop music. This is 1/8
or 12.5
The same number of people in both classes prefers
rock music
7
The same number of people like heavy metal music
in both groups. Is this true?
8
The same portion of the pie likes heavy metal in
both classes.
9 like heavy metal in 8N and 12 in 8W
It is not the same number of people.