Business Statistics and Data Processing - Business Statistics Multiple Choice Questions

11:  
Karl Pearson coefficient of correlation between X and Y variable measures
A.

Covariance between the two

B.
Inverse of the products of their standard deviations
C.

product of' A' and 'B'

D.

None of the above

 
 

Option: B

Explanation :

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12:  
Which of the following is the application of x2-test?
A.

Test of freedom

B.
Test concerning the variance of a normal distribution
C.

Test of goodness of fit

D.

All of the above

 
 

Option: D

Explanation :

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13:  
Which of following is/ are characteristics of Karl Pearson's coefficient of correlation
A.

Indication of degree

B.

Indicators of the direction

C.

A satisfactory measure

D.

All of the above

 
 

Option: D

Explanation :

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14:  
Which one of the following is not a measure of dispersion
A.

Quartile

B.

Skewness

C.

Mean Deviation

D.

Standard Deviation

 
 

Option: B

Explanation :

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15:  

Z-test is a

A.

Student's t-test

B.

Fisher z-test

C.

fisher's t-test

D.

Student's z-test

 
 

Option: B

Explanation :

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