Consider the following statements:1. Coefficient of variation depends on the unit of measurement of the variable.2. Range is measure of dispersion.3. Mean deviation is least when measured about median.Which of the above statements are correct?

Consider the following statements:1. Coefficient of variation depends

1.	Consider the following statements:1. Coefficient of variation depends on the unit of measurement of the variable.2. Range is measure of dispersion.3. Mean deviation is least when measured about median.Which of the above statements are correct?
A.	1 and 2 only
B.	2 and 3 only
C.	1 and 3 only
D.	1, 2 and 3
Answer» E.