For the grouped data in calculation of moments from mean, the formula – McqOptions

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1.	For the grouped data in calculation of moments from mean, the formula to calculate this measure is
A.	2⁄n Σn(x+mean)r
B.	2⁄n Σn(x+mean)x
C.	1⁄n Σf(x-mean)r
D.	2⁄n Σf(x-mean)r
Answer» D. 2⁄n Σf(x-mean)r

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