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Subjects
Mathematics CBSE
Class 10
Statistics
Mean of grouped data
1.
Determine the mean using direct method
Exercise condition:
3
m.
Class
\(0 - 10\)
\(10 - 20\)
\(20 - 30\)
\(30 - 40\)
Frequency
3
9
3
5
The
mean
of the given data is
20
19
22
21
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