Classical

Business Statistics and Data Processing - Business Statistics Multiple Choice Questions

16:  

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 :


17:  
Given
A Values B Values
5                   3
10                6
15               10
20               15
25               18
30               22
The above series is an example of
A.

Linear correlation

B.

Positive correlations

C.

negative correlation

D.

simple correlation

 
 

Option: B

Explanation :


18:  

t -test is a

A.

Parametric test

B.

Non-parametric test

C.

Large sample test

D.

None of the above

 
 

Option: A

Explanation :


19:  
Which of the following tests is used to test the significance of the co-efficient of association?
A.

-test

B.

-test

C.

X2 -test

D.

None of these

 
 

Option: C

Explanation :


20:  
The area under normal distribution covered with in μ±3σ limits is
A.

0.6827

B.

0.9545

C.

0.9973

D.

1.000

 
 

Option: C

Explanation :




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