Question

The class mark of the class 10-25

Answer 1

class mark = 10+25/2
= 35/2
= 17.3

Answer 2

Answer:

17.5

Step-by-step explanation:

Lower Limit = 10

Upper Limit = 25

Class Mark = Lower Limit + Upper Limit

                                           2

Class Mark = 10 + 25

                          2

Class Mark = 35

                      2

Class Mark = 17.5