Question

Class marks of class 90-120

Answer 1

Answer:

The class mark is also known as the midpoint of the class interval. So, in this case (90-120), 105 is the midpoint of the numbers... So the answer is 105

Answer 2

Answer:

  The class mark of the class 90 -120 is 105

Step-by-step explanation:

Class mark = upper limit + lower limit /2

                    = 90+120/2

                     = 210/2

                      =105