Classical

Business Statistics and Data Processing - Business Statistics Objective Type Questions

26:  
For testing of hypothesis Ho : M, = M, and H, : M, < M2, the critical value of z at 5% level of significance when size of sample is more than 30 is
A.

1.96

B.

2.32

C.

1.645

D.

2.5758

 
 

Option: C

Explanation :


27:  
A change in μ  , Standard Deviation (σ) remaining the same, the normal curve
A.

Shifts the curve along the X axis

B.

It changes the shape

C.

It becomes symmetrical

D.

None of the above

 
 

Option: A

Explanation :


28:  

Chi-square test is a

A.

Parametric Test

B.

Non-Parametric Test

C.

Small-sample Test

D.

None of the above

 
 

Option: B

Explanation :


29:  
Which of the following is not the limitation of statistics?
A.

Homogeneous statistical data

B.

Analysis of data

C.

Presentation of means

D.
Statistics Law are true in the long run and on average.
 
 

Option: B

Explanation :


30:  
Which of the following is the non-random method of selecting samples from a population
A.

Stratified sampling

B.

Quota sample

C.

Systematic sampling

D.

Cluster sampling

 
 

Option: B

Explanation :




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