CBSE | Mean of grouped data by Assumed Mean Method

Mean of Ungrouped data

Measures Of Central Tendency|Methods To Find Mean Of Grouped Data|Questions (Assumed Mean Method)|Questions (Step Deviation Method)|OMR

Mean of Grouped Data|Direct Method|Assumed Mean Method|Step Division Method|Mode of Un-Grouped Data|Questions|Median of Grouped Data|Relation Between Mean, Mode and Median|Questions

Mean of Grouped Data|Direct Method|Assumed Mean Method|Step Division Method|Mode of Un-Grouped Data|Questions|Median of Grouped Data|Relation Between Mean, Mode and Median|Questions

While calculating the mean of a given data by the assumed-mean method, the following values were obtained: A=25. Sigmaf_1d_1=110,Sigmaf_1=50 Find the mean.

Find the mean by assumed mean method.

Find the mean by assumed mean method.

The measurements (in mm) of the diameters of the head of the screws are given below: Calculate mean diameter of head of a screw by ‘Assumed Mean Method’.

While computing mean of grouped data, we assume that the frequecies are

In the following table, the toll paid by drivers and the number of vehicles is shown. Find the mean of the toll by 'assumed mean' method.