Calculation of Average Deviation Grouped Data Using Mean

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This video has been uploaded by the teacher during his/her 'Work from home' period during the Corona holidays for the benefit of the students so that they can continue their ' Study from home'.
CIMAGE College is the leading institute of Bihar in the field of Management, IT, Commerce and Media Education.
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This method is quite good for questions which have a lower amount like which is used as an example in video but if there would be questions like 50-100 and f= is it would be impossible to solve by this method because even a calculator would show you f|x-x bar| in trillions so, it better to do with the shortcut method of average deviation.

bishnubarman
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Sir ab dubara statistics pdhya ab s acha koi n pdhata hai sir

SunnyKumar-dqvq