Question

Write the class mark of the class 19.5-29.5

Answer 1

Class mark= high limit+lower limit /2
Class mark= 29.5+19.5/2
Class mark=49/2
Class mark=24.5

Answer 2

To find class Mark we should add the upper and lower boundaries and divide by 2
So the answer is 19.5+29.5/2=24.5