Question

Find the class mark of the class 120-150

Answer 1

Answer:

•                   Class mark = upper limit + lower limit/2

•                   Class mark = 150 + 120/2

                                               = 270/2

                                               = 135

Answer 2

Answer:

135

Given:

limit 120 and 150

To find:

class mark of the class

Solution:

Class mark = average of 120 and 150

= $\frac{120 + 150}{2}$

$\frac{270}{2}$  =  135

class average is 135

#SPJ2