Q. 1 J4.0( 7 Votes )

From following table, what is the cumulative frequency of less than type for the class 30-40?

A. 13

B. 15

C. 35

D. 22

Answer :

Cumulative Frequency of less than type of the 30-40= sum of the frequencies of all the classes upto 30-40

Required cumulative frequency =7 + 3 + 12 + 13=35

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