Classical

Business Statistics and Data Processing - Business Statistics Objective Type Questions

11:  

Standard error of Mean is computed by

A.

Sample/√(N-1)

B.

(SD of Sample)/√(Sample Use)

C.

N/√(σ-1)

D.

(N-1)/√σ

 
 

Option: B

Explanation :


12:  

Standard error of mean defined as,

A.
Standard deviation of the sampling distribution of mean
B.
Average of sampling distribution of mean
C.
Inter-Quartile range of sampling distribution of means.
D.
Correlation co-efficient between the sampling distribution of mean.
 
 

Option: A

Explanation :


13:  
Probability of rejecting the null hypothesis when it is true is called
A.
Type-II error
B.
Type-I error
C.
Standard error
D.
None of these
 
 

Option: B

Explanation :


14:  

'Parameter' refer to the characteristics of the

A.

Population

B.

Sample

C.

Mean

D.

None of the above

 
 

Option: A

Explanation :


15:  
Which of the following is not a restricted random sampling technique?
A.

Stratified sampling

B.

Simple random sampling

C.

Systemic sampling

D.

Multistage sampling

 
 

Option: B

Explanation :




Suggest an improvement