Question

B) solve the following questions. (1 Mark each)
(1) Find the class-
mark of the class 35-40.
please answer​

Answer 1

Answer:

class mark 37.5

Step-by-step explanation:

Given that class is 35−40

Here

Upper class limit is 40

lower class limit is 35

Class mark it is also called class mid point

∴ class mark = upper limit + lower limit ÷ 2

=40+35÷2

=75÷2

=37.5

•°• Class mark =37.5