Math, asked by shalihamubarakha2003, 1 year ago

Calculate the mean of the following distribution use the step deviation method. C.I 50-60 60-70 70-80 80-90 90-100 100-110 110-120. f 8 12 13 15 10 11 6.

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Answered by devanshuchoudhary135

1

the the the the the the the

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