Variance from Frequency Table (Jee Mains) | ExamDuo
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Dispersion and Variance
Hard
Variance from Frequency Table
The frequency distribution table is given here.
Find the variance.
Classes
Frequency
1-10
11
11-20
29
21-30
18
31-40
4
41-50
5
51-60
3
SELECT ONE OPTION
A
163.53
B
164.25
C
162.21
D
161.14
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