Statistics And Probability Question 189

Question: For a frequency distribution mean deviation from mean is computed by

[DCE 1994]

Options:

A) M.D. $ =\frac{\sum d}{\sum f} $

B) M.D. $ =\frac{\sum fd}{\sum f} $

C) M.D. $ =\frac{\sum f|d|}{\sum f} $

D) M.D. $ =\frac{\sum f}{\sum f|d|} $

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Answer:

Correct Answer: C

Solution:

It is obvious.