Question

What do you mean by Class size and Class Mark.​

Answer 1

Answer:

The class mark is the average of the upper and lower limit of a class interval and the class size is the difference of the upper and lower limit of a class interval. Complete step by step answer: ... Hence, ClassMark=actualupperlimit+actual lowerlimit2 and classsize=actualupperlimit - actuallowerlimit .

Answer 2

Step-by-step explanation:

Classmark: Mid-value of each class interval is called its class mark.

Classsize: Difference between the true upper limit and true lower limit of a class interval is called the class size.

⇒ Classmark=

Upperlimit+Lowerlimit/2

⇒ Classsize=Upperlimit−Lowerlimit