Q. 44.3( 7 Votes )

Compare the modal

Answer :

For Group A:

Here, the maximum frequency is 78, the corresponding class interval 18 -20 is modal class


l=18, h=2, f=78, f1=50, f2 =46


Mode = l +


= 18 +


=18+


=18 + 0.93 =18.93 years


For Group B:


Here, the maximum frequency is 89, the corresponding class interval 18 -20 is modal class


l=18, h=2, f=89, f1=54, f2 =40


Mode = l +


= 18 +


=18+ =18 + 0.83 =18.33


Hence, the modal age of group A is higher than that of group B.


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