Answer:
The lower class limit of the first class is 40
Step-by-step explanation:
Given
See attachment for histogram
Required
The lower limit of the first class
The attached histogram has overlapping interval, and the intervals are:
40 to 60, 60 to 80, 80 to 100, and so on....
The first class here is:
40 to 60
As a general rule; a class is represented by Lower Limit to Upper Limit.
So, by comparison.
Lower Limit = 40
Upper Limit - 60
