Question

Class intervals in a grouped frequency

distribution are given as 4-11, 12-19, 20-27, 28-35,

36-43.Write the next two class intervals

a) what is the length of each class interval?

b) write the class boundaries of all classes

C)what are the class marks of each class? ​

Answer 1

Answer:

44-51, 52-59

a) 7

Step-by-step explanation:

Hope this will help ya.