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Facts and Figures Index

Units of Measurement
Graphs
Temperature

Facts and Figures Homepage

 

 

 

Histogram or Bar Chart

These graphs use columns to show the variable. In the histogram below each column represents the mass of water lost by a plant over a four hour period.

Histogram

 

 

FACTS AND FIGURES

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The Pie Chart

Pie charts are quite easy to draw. You need a compass and a protractor. Pie charts are used to show proportions, for example percentages. the whole disc of the pie chart represents 100%. A circle is divided into 360 degrees which you can measure using your protractor.

 

1% = 3,6 degrees
10% = 3,6 x 10 = 36 degrees
25% = 3,6 x 25 = 90 degrees
and so on

 

The first pie chart shows the diet of a Leopard seal.

 

The Diet of a Leopard Seal

The Diet of a Leopard Seal

The second pie chart shows the diet of a Stellar Sea Lion

 

The Diet of a Stellar Sea Lion

The Diet of a Stellar Sea Lion

 

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