Math, asked by satyansh40606, 8 months ago

Find the mean of the following frequency distribution using step-
deviation method:
Class
84-90
90-96
96-102 102-108 108-114 114-120
Frequency
15
22
20.
18
20
25

Answers

Answered by Amaan786976

1

Answer:

123456789101112131415161718192021222324252627282930

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