Explain how a pie chart can be constructed

Reference no: EM13902043

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.

Reference no: EM13902043

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