Weight of 40 persons (in kg) are given as follows:
62, 61, 65, 62, 70, 62, 70, 75, 72, 80, 90, 80, 85, 70, 62, 63, 62, 80, 90, 70, 60, 70, 70, 62, 65, 70, 65, 94, 62, 65, 72, 70, 75, 80, 85, 63, 65, 90, 80, 85
Prepare a frequency table of the above data taking 5 as the width of the class interval.