Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R.
Assertion A : Mean deviation is about 80% of Standard Deviation.
Reason R : The quartile deviation is about 2/3 of the Standard Deviation.
In the light of the above statements, choose the correct answer from the options given below:
1
Both A and R are true and R is the correct explanation of A
2
Both A and R are true and R is NOT the correct explanation of A
3
A is true but R is false
4
A is false but R is true