Question

The weight of 25 students of standard
es is shown below in kilograms Prepare
frequency distribution table​

Answer 1

Class Interval

Frequency

10-20

20-30

30-40

40-50

50-60

60-70

10

12

7

7

8

3

(i) For Cumulative Frequency 30−40 frequency is 7

(ii) Size is 11

Mid point for cumulative frequency 30−40 is 35.

(iii) Range =70−10=60

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