Question 71
The class size of the class interval 60 - 68 is 8.
True Class size of the class interval 60 - 68 = Upper class limit - Lower class limit = 68 - 60 = 8
Question 54
The class size of the interval 80 - 85 is ___,
What will be the first class interval, if the fifth class interval is 68−72, the fourth class interval is 64−68?