Question

Class mark of a class is obtained by using ______.

Options

• `("upper limit" - "lower limit")/2`

• `("upper limit" + "lower limit")/2`

• upper limit - lower limit

• upper limit + lower limit

Answer 1

lass mark of a class is obtained by using `underline(("upper limit" + "lower limit")/2)`.

Explanation:-

Class mark is the midpoint of a class interval. Therefore, its formula is given by `("upper limit" + "lower limit")/2`