Question

. Yearly savings (in rupees) of 30 students of Class-VII are given below. Prepare a
40. Also prepare
frequency distribution table with one of the class interval 30
a histogram.
38
42
40
35
72
27
57
82
59
80
84
73
65
40
76
40
38.
50
58
38
54
39
50
44
71
83
45
38
80
77​

Answer 1

Answer:

Class Interval

Class IntervalFrequency

Class IntervalFrequency10-20

Class IntervalFrequency10-2020-30

Class IntervalFrequency10-2020-3030-40

Class IntervalFrequency10-2020-3030-4040-50

Class IntervalFrequency10-2020-3030-4040-5050-60

Class IntervalFrequency10-2020-3030-4040-5050-6060-70

Class IntervalFrequency10-2020-3030-4040-5050-6060-70

Class IntervalFrequency10-2020-3030-4040-5050-6060-70 10

Class IntervalFrequency10-2020-3030-4040-5050-6060-70 1012

Class IntervalFrequency10-2020-3030-4040-5050-6060-70 10127

Class IntervalFrequency10-2020-3030-4040-5050-6060-70 101277

Class IntervalFrequency10-2020-3030-4040-5050-6060-70 1012778

Class IntervalFrequency10-2020-3030-4040-5050-6060-70 10127783

Class IntervalFrequency10-2020-3030-4040-5050-6060-70 10127783

Class IntervalFrequency10-2020-3030-4040-5050-6060-70 10127783 (i) For Cumulative Frequency 30−40 frequency is 7

Class IntervalFrequency10-2020-3030-4040-5050-6060-70 10127783 (i) For Cumulative Frequency 30−40 frequency is 7(ii) Size is 11

Class IntervalFrequency10-2020-3030-4040-5050-6060-70 10127783 (i) For Cumulative Frequency 30−40 frequency is 7(ii) Size is 11Mid point for cumulative frequency 30−40 is 35.

Class IntervalFrequency10-2020-3030-4040-5050-6060-70 10127783 (i) For Cumulative Frequency 30−40 frequency is 7(ii) Size is 11Mid point for cumulative frequency 30−40 is 35.(iii) Range =70−10=60

Answer 2

Step-by-step explanation:

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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