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2 cards from this section. Quick, good the night before a test.
What is a pie diagram?
Think about circular shapes used in graphs.
What does the legend in a pie diagram do?
Consider why we need to clarify the slices' meanings.
What is the primary purpose of a pie chart?
Consider what a pie chart is used for.
True or False: A pie chart can be effective for displaying trends over time.
Think about how time-series data is displayed.
You are given this survey data: 10% prefer cats, 30% prefer dogs, and 60% prefer birds. Calculate and illustrate a pie diagram.
Remember to use the percentage to calculate the angle for each pet.
Critique a pie diagram you come across in a magazine; what improvements can you suggest?
Assess clarity and effectiveness.
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