1. Quiz # 4(A)1. Why we study measures of dispersion?2. Which
measure of dispersion is the best? Why?3. Why we study coefficient
of variation (CV)?4. Find the variance of first 11 natural
numbers?5. Find the two numbers whose AM=7 and SD=1.6. If SD=7 and
CV=28%, then find the AM.7. Find the MD and SD of the numbers 0,
1,2,3,4.Md. Mortuza Ahmmed