In w.o.r 2σx=_____________________?

Related Mcqs:

1. A random variable X has binomial distribution with n = 10 and p = 0.3 then variance of X is:_____________________?

   A. 10
   B. 12
   C. 2.1
   D. 21
   E. None

2. Hypergeometric distribution has parameter:_____________________?

   A. 2
   B. 1
   C. 3
   D. 4
   E. No

3. Major area of statistics today is concerned with drawing of conclusions from__________?

   A. Samples
   B. Primary
   C. Two
   D. Complete study

4. The smallest individuals which constitute the entire population are called __________________?

   A. Sampling frame
   B. Sampling units
   C. Sample pop
   D. Sample design

5. The sampling error is the_____________?

   A. Same as the standard error of the mean
   B. Difference between the value of the sample mean and the value of the population mean
   C. Error caused by selecting a bad sample
   D. Standard deviation multiplied by the sample size

6. Sampling error can reduced by __________________?

   A. Non-random sampling
   B. Increasing the population
   C. Decreasing the sample size
   D. Increasing the sample size

7. Non-random sampling is also called___________________?

   A. Biased sampling
   B. Non-prob.sampling
   C. Less than sampling
   D. Representative sampling

8. To purchase the fruit, we use the _________ sampling?

   A. Systematic
   B. Cluster
   C. Stratified
   D. Judgment

9. The process of dividing a heterogeneous_____________?

   A. Random digit
   B. Stratification
   C. Random Sampling
   D. Cluster

10. Which sampling procedure we prefer if population is heterogenous?

    A. Cluster sampling
    B. Stratified sampling 
    C. Simple random sampling
    D. None of these

    Submitted by: Nimra Shaheen