Question

Class Interval frequency 110-119 6
120- 129 6
130-139 8
140-149 0
150-159 12

Answer 1

Step-by-step explanation:

In this case we have to subtract 0.5 from upper limit and add 0.5 to lower limit

For eg:

Class interval is 120-129 then it will become 120.5 -128.5

Same for others

Hope it's helpfull

Mark it as brainlist