Make a frequency distribution table of the
following data: 2, 5, 15, 25, 20, 12, 8, 7, 6, 16, 21,
17, 30, 32, 23, 39, 31, 15, 2, 9, 27, 19, 25, taking
class intervals 0-10, 10–20 etc.
Answers
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Step-by-step explanation:
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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