Classical

Business Statistics and Data Processing - Business Statistics Objective Type Questions

31:  
Classification of respondents only on the basis of gender is an application of
A.

Ordinal Scale

B.

Nominal Scale

C.

Interval Scale

D.

Ratio Scale

 
 

Option: B

Explanation :


32:  
Karl Pearson's co-efficient of correlation between two variable is
A.

the product of their standard deviations

B.
the square root of t:le product of their regression co-efficients
C.

the co-variance between the variable

D.

None of the above

 
 

Option: B

Explanation :


33:  
Which of the following is not the part of the subject matter of Business statistics.
A.

Appointment

B.

Presentation of data

C.

Analysis of data

D.

Interpretation of data

 
 

Option: A

Explanation :


34:  
If the two regression coefficient are 0.8 and 0.2, then the value of coefficient of correlation is
A.

+0.16

B.

-0.40

C.

-0.16

D.

+0.40

 
 

Option: D

Explanation :


35:  
Which formula may be used for calculation of coefficient of correlation?
A.

x = byx x bxy

B.

r =  √byx x bxy

C.

r =  √byx + bxy

D.

None of these

 
 

Option: B

Explanation :




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