Question

The difference between the upper and lower limits of a class interval is called the ___ of the class interval.

• A. size
• B. average value
• C. mode
• D. None of the above

Answer 1

The correct option is A size

The difference between the upper and lower limits of a class intervals called the size of the class interval.
For example, class 70-80 has the class size of 80 - 70 = 10.