Math, asked by kmahawar284, 4 months ago

Find the mean of the following frequency distribution by step derivation method.
Life Perted (in hrs.) 0-20 20 - 40 40 - 60 60 - 80 80 - 100 100-120
Frequency
10
35
52
61
38
29

Answers

Answered by zaki60

0

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