Question

find the mid value of class internal 10 to 20​

Answer 1

Answer:

15

Step-by-step explanation:

Lower limit = 10

Upper limit = 20

Class Mark/Mid value = (20+10)/2=30/2=15

Answer 2

$= \frac{10 + 20}{2} \\ = \frac{30}{2} \\ = 15$