Question

Write the class marks of class interval 30-40

Answer 1

Hey user

Here is your answer : -

$class \: mark \: = \frac{lower \: limit \: + upper \: limit \: }{2} \\ \\ = \frac{30 + 40}{2} \\ \\ = \frac{70}{2} \\ \\ = 35$

So the class mark of class interval 30 - 40 is " 35 " .


Thank you .

Answer 2

Given, class intervals of 30-40

To Find  the class marks of class intervals 30-40

Solution:

we know that,

=  $\frac{Upper limit + lower limit}{2}$

= 30 + 40 / 2

= 70/2

= 35

Therefore, 35 is  the class interval.