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

Related Mcqs:

1. 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

2. 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

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

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

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

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

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

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

7. Random samples of size 17 are from a population that has 200 elements, a mean of 36, and a standard deviation of 8. which of the following best describes the from of the sampling distribution of the sample mean for this situation ?

   A. Approximately normal because the sample size is small relative to the population size
   B. Approximately normal because of the central limit theorem
   C. Exactly
   D. None of these alternatives is correct

8. Sample variance S2 is unbiased estimator of population variance 26 because ________________?

   A. E(S2) = s2
   B. E(u) = X
   C. E(P) = P
   D. Ux = u

9. The variance of 5 numbers is 10. If each number is divided by 2, then variance of new number is_____________?

   A. 20
   B. 5
   C. 2.5
   D. 0

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

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