Variance Frequency Distribution (Jee Mains) | ExamDuo
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Dispersion and Variance
Medium
Variance Frequency Distribution
The frequency distribution table is given here.
Find the variance.
x
i
140
145
150
155
160
165
170
175
f
i
4
6
15
30
36
24
8
2
SELECT ONE OPTION
A
51.7336
B
52.7136
C
50.7336
D
53.7236
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