Construct a frequency distribution table for the data on weights (in kg) of 20 students of a class using intervals 30-35, 35-40 and so on. 40.38, 33, 48, 60, 53, 31, 46, 34, 36, 49, 41, 55, 49, 65, 42, 44, 47, 38, 39.
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weight in kg no of students
30_ 35 3
35 _40. 5
40_45. 3
45_50 5
50_55. 2
55_60. 1
60_65. 1
a_b = a< w≤ b
w- weight
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