Question

1. The Class mark of interval
15-30 is​

Answer 1

Answer:

The class mark of interval 15-30 is. 1. See answer. Add answer+5 pts. Log in to add ... class mark=( lower limit + upper limit)/2 .

Answer 2

Answer:

22.5

Step-by-step explanation:

class intervel=( upper limit + lower limit)/2

30+15/2

=22.5