Question

what is called class mark in a data?? have a great day every1 :)​

Answer 1

What is the class mark of a data?

We know that class mark is the mid-value or central value of a class. It means that it is the average of the actual upper limit and actual lower limit for a given class. It may also be said that the mid value of every class interval is called its class mark. Therefore, the class mark for the class interval 10-20 is 15.

Answer 2

Answer:

class Mark is the average of the upper and lower limits of the class

Step-by-step explanation:

class Mark =upper class limit + lower class limit / 2