Question

If the class marks of a distribution are 5, 15, 25, 35, and 40 find the class interval.​

Answer 1

Answer:

The class intervals are

0-10

10-20

20-30

30-40

Answer 2

Answer:

10

Step-by-step explanation:

class mark = 5,15,25,35

=> classes = 0-10, 10-20, 20-30, 30-40

=> c.i = 10 - 0 = 20 - 10 = 10

=> Class interval = 10