(a) The mean of the following frequency ...

CBSE Class 10 Math 2022 Delhi Set 1 Paper (Term II)

Question : 9 of 14

Marks: +1, -0

(a) The mean of the following frequency distribution is 25. Find the value of

f

Class :	$0-10$	$10-20$	$20-30$	$30-40$	$40-50$
Frequency :	5	18	15	$f$	6

(b) Find the mean of the following data using assumed mean method:

Class :	$0-5$	$5-10$	$10-15$	$15-20$	$20-25$
Frequency :	8	7	10	13	12

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