55, 48, 52, 65,
4. Prepare a frequency distribution table and histogram from the given data.
Marks obtained by 20 students of Class XI are as under:
85
75
65
25
45
57
67
77
27
37
82
72
62
22
42
66
76
56
36
55
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Answer:
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Answer:
The frequency distribution table for the given marks can be drawn as:
(i) The class interval (40−49) has the highest frequency and the class interval (90−99) has the lowest frequency.
(ii) In the class interval (30−39), the lower limit is 30 − 0.5 = 29.5 and the upper limit is
39 + 0.5 = 39.5.
(iii) The range of the given distribution is 97− 32 = 65.
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