QUESTION 4

Consider the following data:

19 10 9 8 14 11 11 12 11 9 19 19

17 10 13 18 16 17 5 14 11 15 18 12

8 7 10 16 2 12

Construct a frequency distribution by making the class width 3 and the lower limit of the first class 2. The dataset above is the marks obtained in the previous class test out of 20.

Define the random variable

A)Marks

B)Out of 20

C)Class test

D)Class Average