construct a grouped frequency table using the classes: 130-134, 135-139, 140-144, 145-149, 150-154, 155-159 and 160-164.

The Solution:
Given the data in the picture attached in the Question Section.
We are required to construct a grouped frequency table using the class intervals below:
130-134, 135-139, 140-144, etc.
The required grouped frequency table is