Circle Diameters Variance (Jee Mains) | ExamDuo
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Dispersion and Variance
Medium
Circle Diameters Variance
Given below are the diameters of circle (in mm) drawn in a design
Find the variance.
Diameter
33-36
37-40
41-44
45-48
49-52
Number of circles
15
17
21
22
25
SELECT ONE OPTION
A
30.84
B
33.84
C
40.84
D
42.84
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