LEFB - E
A survey of 300 people found that 30 of
them play cricket. In a pie chart, what
would be the sector angle of this group ?
(A) 20°
(B) 36°
(C) 30°
(D) 10°
Answers
Given : A survey of 300 people found that 30 of them play cricket.
To Find : In a pie chart, what would be the sector angle of this group ?
(A) 20°
(B) 36°
(C) 30°
(D) 10°
Solution:
A pie chart (or a circle chart) is a circular statistical graphic, which is divided into slices to illustrate numerical proportion.
In a pie chart, the arc length of each slice (and consequently its central angle and area), is directly proportional to the quantity it represents.
In a pie chart, each sector represents a particular part of data
and the magnitude of the sector is directly proportional to the magnitude of the specific part of the data
Complete pie chart is a circle hence 360° represent complete data
300 people = 360°
=> 1 people = 360°/300
=> 30 people = 30 x 360°/300 = 36°
36° sector angle
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Answer:
36°
Step-by-step explanation:
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