# 12.5 is the class mark of the class interval

25 views

closed

12.5 is the class mark of the class interval

A) 10 – 15

B) 0 – 25

C) Both A and B

D) None

+1 vote
by (56.9k points)
selected by

Correct option is (C) Both A and B

$\because$ Class mark $=\frac{\text{lower limit of class + upper limit of class}}2$

$\therefore$ Class mark of the class interval 10–15 $=\frac{10+15}2$

$=\frac{25}2$ = 12.5

Class mark of the class interval 0–25 $=\frac{0+25}2$

$=\frac{25}2$ = 12.5

+1 vote
by (42.4k points)
edited

Correct option is  C) Both A and B