Question

2. Consider the data given below:
Class
0-4
4-8
8-12
12-16 | 16-20
30
Cumulative
6 15 23 27
Frequency
Wha is the frequency of the class interval 8-12?
(1)​

Answer 1

Answer:

class interval 8-12

8+12/2

20/2

=10

so class interval=10