Algebra Standard X>Statistics>Step Deviation Method

Step Deviation Method

Author:Maharashtra Board

10th Maharashtra Board

IMPORTANT

Important Questions on Step Deviation Method

HARD

IMPORTANT

Algebra Standard X>Statistics>Step Deviation Method> Q 1

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.

Weekly wages ( $₹$ )	$1000 - 2000$	$2000 - 3000$	$3000 - 4000$	$4000 - 5000$
Number of workers	$25$	$45$	$50$	$30$

HARD

IMPORTANT

Algebra Standard X>Statistics>Step Deviation Method> Q 2

A frequency distribution of funds collected by $120$ workers in a company for the drought affected people are given in the following table. Find the mean of the funds by 'step deviation' method.