Q. 63.8( 33 Votes )

The following table gives the information of frequency distribution of weekly wages of 150 workers of a company. Find the mean of the weekly wages by 'step deviation' method.

Answer :

Mean =


Mean of weekly wages is Rs 3066.67

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Solve of the following sub question:

If = 25 and = 100, then find the mean .

Maharashtra Board - Algebra Papers