3.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.
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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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