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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