Classical

Business Statistics and Data Processing - Business Statistics Multiple Choice Questions

46:  
F-test is used to test the significance of the difference between
A.
Co-efficient of correlation between two sample groups
B.
Co-efficient of correlation among more than two sample groups
C.

Average between two sample groups

D.
Average of more than two sample groups
 
 

Option: D

Explanation :


47:  
If the value of co-efficient of determination is 0.64, what is the value of coefficient of correlation
A.

0.40

B.

0.80

C.

0.08

D.

0.04

 
 

Option: B

Explanation :


48:  

F-test is a

A.

Probability test

B.

Variance test

C.

Factor analysis

D.

None of the above

 
 

Option: B

Explanation :


49:  
Which one among the following is a small sample
A.

5

B.

10

C.

29

D.

All of the above

 
 

Option: D

Explanation :


50:  
Standard error of the difference between the proportions of two variable can be computed by
A.

SE(P1-P2 )= √(Pq[1/n1 + 1/n2 ] )

B.

SE=P-1√((n.Pq)/100)

C.

SE=√(p/2+q/2)

D.

SE=√(npq/2)

 
 

Option: A

Explanation :




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