Question

17) Find the class marks of classes 10-25 and 35-55
​

Answer 1

Answer:

class mark of (10-25) = 17.5.

class mark of (35-55)=45.

Step-by-step explanation:

Given class intervals 10-25,

35 -55.

Answer 2

Answer:

15 and 25

Step-by-step explanation:

both are be subtracted