Q. 64.4( 5 Votes )

The following is

Answer :

Here, the maximum frequency is 142, the corresponding class interval 165.5-168.5 is modal class

l=165.5, h=3, f=142, f1=118, f2 =127

Mode = l +

= 165.5 +

=18+ =165.5 +1.85

=167.35 cm

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