If arithmetic mean of a distribution be x, then its mean deviatio… - Vidyadip

MCQ

If arithmetic mean of a distribution be $\bar{x},$ then its mean deviation is :

A
$\frac{\sum f_i\left(x_i-\bar{x}\right)}{ N }$
B
$\Sigma f_i\left|x_i-\bar{x}\right|$
✓
$\frac{\Sigma f_i\left|\left(x_i-\bar{x}\right)\right|}{ N }$
D
$\frac{\sum f_i\left|x_i-\bar{x}\right|^2}{N}$

✓

Answer

Correct option: C.

$\frac{\Sigma f_i\left|\left(x_i-\bar{x}\right)\right|}{ N }$

C

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