8.
a)
Prepare a frequency distribution from the following data by
inclusive method taking 4 as the class size.
31
23
19
29
22
20
16
10
13
34
38
33
28
21
15
18
36
24
18
15
12
30
27
23
20
17
14
32
26
25
18
29
24
19
16
11
22
15
17
10
Answers
Answered by
0
Answer:
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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