# Business Statistics and Data Processing - Business Statistics Multiple Choice Questions

26:
Which of the following can be used to determine correlation?
 A. Simple graphical method B. Karl Pearson's coefficient C. Least square method D. All of the above Answer Report Discuss Option: D Explanation : Click on Discuss to view users comments. Write your comments here:
27:
When a production is heterogeneous, it is divided into groups, so that there is homogeneity within the group and heterogeneity between the groups and some items are selected at random from each group. It is a case of
 A. Cluster Random Sampling B. Systematic Random Sampling C. Quota Sampling D. Stratified Random Sampling Answer Report Discuss Option: D Explanation : Click on Discuss to view users comments. Write your comments here:
28:

F= S12/S22   is a

 A. t -test B. F -test C. z- test D. mean test Answer Report Discuss Option: B Explanation : Click on Discuss to view users comments. Write your comments here:
29:
Sampling distribution of mean is very close to the standard normal distribution when
 A. Population is normally distributed B. Population is not normally distributed but sample size is large C. Both (A) and (B) D. Neither (A) nor (B) Answer Report Discuss Option: C Explanation : Click on Discuss to view users comments. Write your comments here:
30:
Which one of the following factors cause non-sampling errors
 A. Inappropriate statistical units B. Inadequate sampling frame C. Faulty process of selection D. All of the above Answer Report Discuss Option: C Explanation : Click on Discuss to view users comments. Write your comments here:

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