Q. 174.3( 6 Votes )

The following tab

Answer :

Mean= =

We have, N= 50,

N/2 = 25

Hence, medium class =120-140, such that

l=120, f’=14, f=12, h=20

Median = l +

Here, we may observe that maximum class frequency is 14 belonging to the class interval 120-140

So, modal class= 120-140

Lower limit, l= 120

f0=12, f2=8, f=14,h = 20


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