Question

Define class intreval and class size​

Answer 1

Step-by-step explanation:

Class size: Difference between the true upper limit and true lower limit of a class interval is called the class size. Class size remains the same for all class intervals. Class mark: Mid-value of each class interval is called its class mark.

Answer 2

Answer:

Class size : difference between the true upper limit and true lower limit of a class intravel is called the class size . Class size remains the same for all class intervels . Class mark : mid value of each class intervel is called it's class mark.