Question

explain the shortcut method​

Answer 1

Explanation:

kis ka shortcut method bro

please ask question properly

Answer 2

Answer:

hy dude ur answer is

Explanation:

Mean Deviation about mean by shortcut method - formula

To calculate mean deviation about mean by shortcut method, ... *calculate the sum of the frequencies, ∑i=1nfi . *calculate ∑i=1nfidi where, di=xi−A .

hope it helps!!

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