Business Statistics and Data Processing

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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: Updating your Comments.. Updating your Comments..

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: Updating your Comments.. Updating your Comments..

28:

F= S₁2/S₂2 is a

A.	t -test
B.	F -test
C.	z- test
D.	mean test
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	Option: B Explanation : Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

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: Updating your Comments.. Updating your Comments..

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: Updating your Comments.. Updating your Comments..

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Business Statistics and Data Processing - Business Statistics Multiple Choice Questions

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