Question

First class interval of a data is 0-8.Write next four class intervals of the data.
Please Explain

Answer 1

Step-by-step explanation:

Given class interval :

4−11, 12−19, 20−27, 28−35, 36−43

The next two class intervals are 44−51, 52−59

length of each class interval is 8.

Class marks are :

Class Interval Class marks

4−11 7.5

12−19 15.5

20−27 23.5

28−35 31.5

36−43 39.5

44−51 47.5

52−59 55.5