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For a frequency distribution, mean, median and mode are connected by the relation:
Question

For a frequency distribution, mean, median and mode are connected by the relation:

A.

mean = (3 median — mode) / 2

B.

mean = 2 / (3 median — mode)

C.

mean = (3 median — 2 mode) / 2

D.

mean = (3 median + mode) / 2

Correct option is A

Solution:     
As we know the relation between mean, mode and median ;
Mode = 3 × Median − 2 × Mean
So, Mean=(3×MedianMode)2\text {Mean} = \frac{ (3 × Median − Mode )}{ 2 }​​

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