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Find the mediaan from the following tabl...

Find the mediaan from the following table :

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Here, N=65
`:.` For median class
`(N)/(2)=(65)/(2)=32.2`
`:.` Median class =20-30
Here, `l_(1)=20,l_(2)=30`
`rarri=30-20=10`,
f=18, C=19
`:. " ""Median"M=l_(1)+(((N)/(2)-C))/(f)xxi`
`=20+(135)/(18)=27.5`
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