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

Related Mcqs:

1. The variance of 5 numbers is 10. If each number is divided by 2, then the variance of new numbers is______________?

   A. 20 B. 5 C. 2.5 D. 5.5 E. 0...

2. The mean of 10 numbers is 9, then sum of these numbers will be__________________?

   A. 9 B. 0.9 C. 70 D 90...

3. suppose for 40 observation, the variance is 50. If all the observation are increased by 20, the variance of these increased observation will be_________?

   A. 50 B. 70 C. 50/20 D. 50-20=30...

4. Suppose for 40 observations, the variance is 50. If all the observations are increased by 20, the variance of these increased observation will be______________?

   A. 50 B. 70 C. 50/20 D. 50-20 = 30 E. 50...

5. 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...

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

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

7. Which of the following describe the middle part of a group of numbers ?

   A. Measure of Variability B. Measure of Central Tendency C. Measure of Association D. Measure of Shape...

8. Two digit random numbers are ________________?

   A. 2 B. 10 C. 99 D. 100...

9. _________ are the numbers obtained by some random process?

   A. Two- digit number take B. Random table C. Pack D. Non of these...

10. The index numbers are used to measure seasonal and cyclical variations in __________?

    A. Commodities B. Time Series C. Whole sale D. Realtives...