Explain how a pie chart can be constructed if a data value


1. Explain how a pie chart can be constructed. If a data value had relative frequency r, at what angle would the lines defining its sector meet?

2. The following are the estimated oil reserves, in billions of barrels, for four regions in the Western Hemisphere.

United States

38.7

South America

22.6

Canada

8.8

Mexico

60.0


Represent these data in a pie chart.

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Basic Statistics: Explain how a pie chart can be constructed if a data value
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