Organize,
3
Display, and
Interpret Data
What are data and graphs?
Data is a set of information. When data is displayed in
a graph , it is easier to read and interpret.
Example
The graph shows the number of children in the
United States. About 35 million children are 5 to 13 years old.
Population of Kids
40
30
20
10
0
Under 5
5–13
14–17
Age
Source: U.S. Census Bureau
What will I learn in this chapter?
Collect and represent data on a number line, and in
■
graphs, tables, and charts.
Read and interpret data.
■
Determine all possible outcomes of a situation.
■
Solve problems by making a table.
■
Key Vocabulary
data
probability
survey
tree diagram
bar graph
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92 Chapter 3 Organize, Display, and Interpret Data