A grouped frequency distribution table with classes of equal sizes using 63-72 (72 included) as one
Channel: Doubtnut
Date: 2020-01-19

A grouped frequency distribution table with classes of equal sizes using 63-72 (72 included) as one of the class is constructed for the following data 30,32,45,54,74,78,108,112,66,66,76,88, 40, 14, 20,15,35,44,66,75,84,95,96,102,110,88,74,112,14,34,44. The number of classes in the distribution will be