Math, asked by sebinjosaji8526, 10 months ago

Use step deviation method to fing the mean x= 18,19,30,21,22,23,24 and f=170,320,530,700,230,140,110

Answers

Answered by shruti563

0

Mean of x= sum of values/no.of values

=157/7

=22.42

Mean of F=sum of values/no.of values

=2200/7

=314.28

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