Question

In a grouped frequency distribution table with classes 0-20, 20-40, ... having a class interval
of 20, find the lower limit of the fifth class and the upper limit of the eighth class.
tollend
newer the f11​

Answer 1

Answer: 80

Step-by-step explanation: just continue the intervals

0-20,20-40,40-60,60-80,80-60

Clearly lower limit of 5th class interval is 80 ans.

Hope it helps