The mark obtained out of 75 by 30 students of a class in an
examination are given below.
42, 21, 50,37, 42,37,38, 49, 52, 38, 53, 57, 47, 29, 59, 61, 33, 17, 17, 39,
44, 42, 39, 14, 7, 27, 19, 54, 51. Prepare a frequency distribution table in
which the size of class intervals is the same and one class interval is 0-10.
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Answer:
Class Interval. Frequency
0 to 10. 1
11 to 20. 4
21 to 30. 3
31 to 40. 7
41 to 50. 7
51 to 60. 6
61 to 70. 1
TOTAL : 29
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