what is formula of class size Share with your friends Share 3 Vaisnav Ashok answered this class mark = upper limit + lower limit / 2 -3 View Full Answer Shraddha Manore answered this CLASS SIZE = UPPER LIMIT MINUS LOWER LIMIT _ 1 Deepak Kumar answered this upper limit minus lower limit -7 Daksh answered this Class Size = Range/Class Interval 0 Rajath Kumar answered this CLASS LIMIT = UPPER LIMIT - LOWER LIMIT/ 2. 4 Sezal answered this Range -1 Rajnish Thakur answered this Difference between the numbers of the class interval like100- 120 so we have to subtract both of them like120-100=20 is the class size 2 Lakshita Kashyap answered this Class size = Upper limit- Lower limit 1 Manpreet Rana answered this Class size/interval= upper limit - lower limit Eg. 100 to20 Upper limit - lower limit Upper limit=100 Lower limit=20 So 100-20 =20 1