Q. 155.0( 3 Votes )

Find the mean, me

Answer :

Mean= =

We have, N= 50,

N/2 = 25

Hence, median class =60-80, such that

l=60, f’=12, f=24, h=20

Median = l +

Here, we may observe that maximum class frequency is 12 belonging to the class interval 60-80

So, modal class= 60-80

Lower limit, l= 60

f0=10, f2=6, f=12,h = 20


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