Question

The class-mark of the class interval 12-18 is -
30
1.5
15
7.5​

Answer 1

Answer:

15

Step-by-step explanation:

class mark= upper limit +lower limit /2

upper limit=18

lower limit =12

class mark =18+12/2

=30/2

=15

Answer 2

Answer:

q

15 is the answer if this question