Question

Explain class size, class mark and class width in statistics chapter​

Answer 1

Answer:

ANSWER

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=

2

Upperlimit+Lowerlimit

​

⇒ Classsize=Upperlimit−Lowerlimit

Step-by-step explanation:

Answer 2

Answer:

Class size is the average number of students per class, calculated by dividing the number of students enrolled by the number of classes.