Question

the class marks of a distributer are 47 , 52, 57, 62, 67, 72, 77, 82​

Answer 1

Answer:

the class marks of distribution are 47,52,57,62,67,72,77,82 determine the class size,class. Class size = Difference between class marks of two consecutive classes. = 52 - 47 = 5. Lower-class limit = class marks - 1/2 of class size= 47+2.5 = 49.5.Feb 14, 2015