…………………. Is the arithmetic average of the deviations of all the values taken from some average value of the series, ignoring signs of the deviations. (Mean Deviation/Standard Deviation)

…………………. Is the arithmetic average of the deviations of

1.	…………………. Is the arithmetic average of the deviations of all the values taken from some average value of the series, ignoring signs of the deviations. (Mean Deviation/Standard Deviation)
Answer» SOLUTION :MEAN DEVIATION