Question

make the following frequency table continuous
Class interwal frequency
1-5. 4
6-10 7
11-15. 8
16-20. 1​

Answer 1

Answer:

ANSWER

In order to make class intervals even we need to add 0.5 and reduce 0.5 from class boundaries

1−5 = 0.5−5.5

6−10 = 5.5−10.5

11−15 = 10.5−15.5

so , lower boundary of class 11−15 = 10.5