Who give the concept of standard deviation and CV?

Related Mcqs:

1. If the standard deviation of the values 2, 4, 6, 8 is 2.58, then the standard deviation of the values 4, 6, 8, 10 is_______________?

   A. 0 B. 2.58 C. 5 D. 4.66 E. 2.33...

2. If the standard deviation of the values 2,4,6,8 is 2.33, then the standard deviation of the values 4,6,8,10 is_____________?

   A. 0 B. 2.58 C. 4.66 D. 2.33...

3. Mean Deviation, Variance and Standard Deviation of the values 4, 4, 4, 4, 4, 4 is_________________?

   A. 4 B. 8 C. 2 D. 12 E. 0...

4. The standard deviation is always _________ than mean deviation?

   A. Greater B. Less C. Equal D. None...

5. If variance iv standard deviation is minimum if the deviation taken from______________?

   A. Mode B. Mean C. Average D. G.M....

6. Mean deviation, Variance and Standard Deviation of the values 4,4,4,4,4,4 is_______________?

   A. 4 B. 8 C. 2 D. 0...

7. The mean of a distribution is 14 and the standard deviation is 5. What is the value of the coefficient of variation ?

   A. 60.4% B. 48.3% C. 35.7% D. 27.8%...

8. If the standard deviation of a population is 9, the population variance is_____________?

   A. 9 B. 3 C. 21 D. 81...

9. Standard deviation is calculated from the Harmonic Mean (HM) ________________?

   A. Always B. Sometimes C. Never D. None of these...

10. If mean is 25 and standard deviation is 5 then C.V (Coefficient of variation) is_______________?

    A. 100% B. 25% C. 20% D. None of these...