CBSE | Mean of grouped data by direct method

Find the mean by direct method :

Introduction|Data|Collection Of Data|Types Of Data|Presentation Of Data|Statistics|Measure Of Central Tendency|Mean Of Ungrouped Data|Mean Of Grouped Data|Methods To Find Mean Of Grouped Data|Question (Direct 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

Mean of Grouped Data or discrete frequency distribution

Find the mean of the following table by direct method:

Method to Calculate Mean by direct method

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

Find the mean form the following table by direct method :