Question

find the mode of following frequency distribution table interval 10-25, 25-40, 40-55, 55-70, 70-85. frequency fi 6,20,44,26,3.​

Answer 1

Answer:

Modal class is 40-55

L=40

f1=44

f2=26

f0=20

h=55-40=15

mode=L+[(f1-f0)/(2f1-f0-f2)]h

=40,+[(44-20)/(2*44-20-26)]15

=40+[24/42]15

=40+8.57

=48.57

therefore the mode is 48.57

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