# Business Statistics and Data Processing - Business Statistics Objective Type Questions

21:
If the sample size increases the sampling error
 A. Decreases B. Increases C. Remains constant D. None of the above Answer Report Discuss Option: A Explanation : Click on Discuss to view users comments. Write your comments here:
22:
F-Test is used to test the significance of the difference between / among
 A. Two sample mean B. More than two sample mean C. Variable of two sample D. Both (B) and (C) Answer Report Discuss Option: D Explanation : Click on Discuss to view users comments. Write your comments here:
23:
Which formula may be used for standard error.
 A. S.E.= (Hr^2)/√N B. S.E.= (1- r^2)/ N C. S.E.= (1- r^2)/√N D. S.E.= (1- r^2)/√(N+1) Answer Report Discuss Option: C Explanation : Click on Discuss to view users comments. Write your comments here:
24:
Which of the following is the tool of measure of the variation of the items
 A. Mode B. Mean C. Hypothesis D. Dispersion Answer Report Discuss Option: D Explanation : Click on Discuss to view users comments. Write your comments here:
25:

β-error in hypothesis testing refers to

 A. Type-I error B. Type-II error C. Both Type-I and II errors D. None of the above Answer Report Discuss Option: B Explanation : Click on Discuss to view users comments. Write your comments here:

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