Topic 15: Circle Graphs for use before Data Distributions Investigation 1Circle graphs, or pie charts, show data by the percent of a quantity dividedinto several categories.A circle graph always represents all (100%) ofthe data.
3.
Find the central angle for each of the other two grades.
Start with a clock as a point of reference.
Summarize with questions like:
• When would you use a circle graph to display data? 4.
5.
Exercises1. a. 13%b. 66.3, or 66 businesses2. a.b.c. student total 200; green 52, purple 26,pink 24, blue 60, and red 38.
Allowed
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