Classical

Business Statistics and Data Processing - Business Statistics Multiple Choice Questions

41:  

------ error are made when the test rejects a hypothesis which is true

A.

Type I

B.

Type II

C.

Both (A) and (B)

D.

None of these

 
 

Option: A

Explanation :


42:  
The total area of a normal distribution between average value ± 1.96 of standard deviation is
A.

95.45 %

B.

95 %

C.

99 %

D.

68.34%

 
 

Option: B

Explanation :


43:  
Which one of the following is a database Management System?
A.

MS Access

B.

MS Excel

C.

MS Office

D.

None of the above

 
 

Option: A

Explanation :


44:  

Degree of correlation includes

A.

Perfect correlation

B.

absence of correlation

C.

Limited degree of correlation

D.

All of the above

 
 

Option: D

Explanation :


45:  
The concept of Analysis of variance (ANOVA) was developed by
A.

Karl Pearson

B.

Prof. Fisher

C.

Spearman

D.

None of these

 
 

Option: B

Explanation :




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