Classical

Statistics and methodology - Statistics and Methodology Questions Answer

111:  

Correlation is said to be linear and non-linear if

A.

The ratio of change between the variables is constant.

B.

The ratio of change between the variables is constant and change in one variable is equal to the percentage change in other variable respectively.

C.

Change in variables are haphazard.

D.

Change in one variable is equal to the percentage change in another variable.

 
 

Option: B

Explanation :


112:  

Given

What will be at 'A' point?

A.

Density

B.

Average

C.

Frequency

D.

Mode

 
 

Option: A

Explanation :


113:  

Age of applicants of life insurance and the premium of insurance is

A.

zero correlation

B.

positively correlated

C.

Negatively correlated

D.

None of the above

 
 

Option: B

Explanation :


114:  

Attributes of decision support system are

A.

Flexibility

B.

Database

C.

Simple models

D.

None of these

 
 

Option: D

Explanation :


115:  

The most important factors causing seasonal variations are

A.

Growth of Population

B.

Technological improvements

C.

Weather and social customs

D.

Change in fashions

 
 

Option: C

Explanation :




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