Question

How to find class interval and class mark?​

Answer 1

Answer:

Here is your answer dear

Step-by-step explanation:

Find the class mark of class interval 50-60.

We will first write the lower limit and upper limit of the class interval. Then, we will substitute the value in the formula, class - mark=Lower limit + upper limit2 to determine the class-mark of the class-interval.

Answer 2

Answer:

class interval will be given

Step-by-step explanation:

you should find the class mark by adding starting and ending of the class interval and dividing it by 2