Q. 1 D

If the classes are 0-10, 10-20, 20-30... then in which class should the observation 10be included?
A. 0-10

B. 10-20

C. 0-10 and 10-20 in these 2 classes

D. 20-30

Answer :

These classes are exclusive in nature which means the classes are continuous. The class 0-10 include 0 and all the numbers less than 10 while class 10 – 20 include 10 and all the numbers less than 20 and so on.

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