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Texas History Chapter 1.3: Using Graphs, Charts, & Tables

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Texas HistoryChapter 1.3:

Using Graphs, Charts, & Tables

Houston: 1.95 millionDallas: 1.18 million

San Antonio: 1.14 millionAustin: .0657 million

Four Largest Texas Cities, 2000

0

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0.4

0.6

0.8

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1.2

1.4

1.6

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Houston Dallas SanAntonio

Austin

Population(In Millions)

Why are we studying this?

Lists of names, facts, and statistics are often clearest when presented visually. Understanding charts and graphs is an essential skill.

Using Graphs

•Statistics—information in the form of numbers

Houston: 1.95 millionDallas: 1.18 millionSan Antonio: 1.14 millionAustin: .0657 million

Using Graphs• Bar graph—uses

bars of different lengths to represent numbers or percentages for comparing information about different places or time periods

0

0.2

0.4

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0.8

1

1.2

1.4

1.6

1.8

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Houston Dallas SanAntonio

Austin

Population(In Millions)

Using Graphs•Horizontal Axis—the line across the bottom of the graph

•Vertical Axis—is the line along the side

0

0.2

0.4

0.6

0.8

1

1.2

1.4

1.6

1.8

2

Houston Dallas SanAntonio

Austin

Population(In Millions)

Using GraphsV

erti

cal

Axi

s

Horizontal Axis

Using GraphsCollin County Population

0

100000

200000

300000

400000

500000

600000

1950 1960 1970 1980 1990 2000

Population

• Line Graph—graph that indicates a trend or pattern over time, such as whether something is increasing, decreasing, or staying the same

Using Charts & TablesCollin County Race/Ethnicity, 2000

77%

5%

10%

8%

AngloBlackHispanicOther

Pie chart—chart showing how parts of a whole are divided

Using Charts & Tables

Tables help organize

and categorize informatio

n

County Pop. +Harris 20.7%

Dallas 19.8%

Bexar 17.5%

Tarrant 23.6%

Travis 40.9%

Collin 86.2%

Population Growth 1990-2000

Using Charts & Tables

Timeline—chart showing a sequence of events

Using Charts & Graphs• Flow Chart—Chart using boxes,

arrows, or images to show a series of activities or steps

• Causation Chart—Chart that uses pictures, diagrams or arrows to show causes and effects of events

Item Usefulness or purposeBar Graph

Line Graph

Pie Chart

Table

Time Line

Flow Chart

Causation Chart

Item Usefulness or purposeBar Graph to compare data about different places or time

periods

Line Graph to show a trend or pattern

Pie Chart to show how the parts of a whole are divided

Table to organize and categorize descriptive and/or statistical information

Time Line to show the sequence of a series of events

Flow Chart to show steps or a series of activities

Causation Chart To show the cause and effect of an event or situation