Question

If the class intervals are 11 - 15 and 15 - 19 , find the class marks of both the classes and lower limit of the second class interval .​

Answer 1

Answer:

4

Step-by-step explanation:

hope it helps you friend.

Answer 2

Answer:

4

Step-by-step explanation:

class interval= upper limit -lower limit

=15-11

=4