Construct a frequency distribution table for the data on weights (in kg) of 20 students of a class using class intervals 30-35, 35-40, and so on… 40, 38, 33, 48, 60, 53, 31, 46, 34, 36, 49, 41, 55, 49, 63, 42, 44, 47, 38, 39. Construct a frequency distribution table for the data on weights (in kg) of 20 students of a class using class intervals 30-35, 35-40, and so on… 40, 38, 33, 48, 60, 53, 31, 46, 34, 36, 49, 41, 55, 49, 63, 42, 44, 47, 38, 39.