1.

Which of the following formulae is used to find out median ?

Answer»

`M=l_(1)+(N/(4)-c.f.)/(f)XXI`
`M=l_(2)+(N/(4)-c.f.)/(f)xxi`
`M=l_(1)+(N-c.f.)/(f)xxi`
NONE of these

Solution :`M=l_(1)+(N-c.f.)/(f)xxi`


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