Classical

Business Statistics and Data Processing - Business Statistics MCQ

26:  

Range of the coefficient of correlation is

A.

+ 2

B.

± 1

C.

± 0.5

D.

± 0.25

 
 

Option: B

Explanation :


27:  

-------- is the term given to any system of reorganization of data items within a file, where the reorganisation is independent of the information content of the file.

A.

Printing

B.

Maintenance

C.

Copying

D.

Merging

 
 

Option: B

Explanation :


28:  
When three or more variables are studied simultaneously for correlation analysis it is called
A.

Simple correlation

B.

Partial correlation

C.

Multiple correlation

D.

All of the above

 
 

Option: C

Explanation :


29:  

In case, coefficient of correlation is negative, the curve representing the relation will be

A.

Vertical

B.

Downward sloping

C.

Upward sloping

D.

Horizontal

 
 

Option: B

Explanation :


30:  

As the value of x increases, if y also increases, then coefficient of correlation will be

A.

Positive

B.

Negative

C.

Zero

D.

None of these

 
 

Option: A

Explanation :




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