1. Class test
1. Find CV of two numbers 5 and 3.
2. Find CV for the series 1, 2, 3, ………… , 10.
3. If SD of 1st n natural numbers is √10, what will be the mean?
4. Find MD and SD of the numbers 0, 1, 2.
5. For any two numbers, GM=√7 and SD=3.
a) Find the numbers.
b) Find HM.
c) Find variance.
d) Find AM.
e) Find median.
f) Find CV.
6. When should we use coefficient of variation (CV)?
7. Which measure of dispersion is the best? Why?
Md. Mortuza Ahmmed