Question

the class mark of class interval 65-85 is
a)65 b)85 c)150 d)75​

Answer 1

Answer:

Option d is the correct answer.

Step-by-step explanation:

Class mark means the average of the class interval.

Class mark = (65 + 85) / 2

Class mark = 150/2

Class mark = 75

Option d is the correct answer.