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Solved Examples
Curriculum:
Alabama Course of Study
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Topic:
Statistics
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Lesson:
12: Circle Graphs
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Attempt following question by selecting a choice to answer.
e
A restaurant owner recorded the number of visitors of different age groups who visited his restaurant during a week. The statistics were shown in the circle graph. What fraction of the visitors are the people aged below
12 years?
ff ee
A.
e
1
4
B.
e
2
9
C.
e
1
6
D.
e
1
12
e
B
View Solution Steps
Step 6: From the graph, the number of visitors aged below 12 years is 80.
Step 7: Total number of visitors = 30 + 80 + 120 + 60 + 70 = 360[Add the number of visitors of all ages.]
Step 8: The fraction of visitors aged below 12 years = (Number of people aged below 12 years) / (Total number of visitors)
Step 9: [Substitute the values.]=
80
360
Step 10: [Simplify.]=
2
9
Step 11: So,
2
9
th
of the visitors during the week are aged below 12 years.
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