Write the formula for mean of ungrouped frequency distibution by deviation method explain the terms in it please answer it fast
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So the formula of mean by this is : Where ui = ( xi – A) / h ; h = class width and N = Σ fi. Finding mean by using this formula is known as the Step Deviation Method. Some solved examples. 1) Apply Step - Deviation method to find arithmetic mean of the following frequency distribution.
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mean = sigma fi xi / sigma fi .....
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