Math, asked by nikhilspy001, 1 year ago

A) Find the arithmetic mean by step deviation method for the
given data.
Class Interval | 10-20 20-30 30-40 40-50 50-60 60-70
Frequency
7 1 12 8 7 11 15

Answers

Answered by sudhakarsultanpur7

1

Answer:

solve like this 7&6_5₹_₹&₹-*+'*+&*_-*-'*+'*:+"-+"58"

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