Question

The width or size of the class interval 50-60 is:
A. 10
B. 30
C. 40
D. 70​

Answer 1

Answer:

a) 10

Step-by-step explanation:

definition of class interval group of types like like 0-5,10,20 or 20-40 etc. are called class interval or class

Answer 2

class interval is 10 and it's continue like 60-70 , 70-80, & 80-90 so on