Classical

Statistics and methodology - Statistics and Methodology Questions Answer

56:  

Suppose on an average 1 house in 1000 in a certain district has a fire during a year. If there are 2000 houses in that district what is the probability that exactly 5 houses will have a fire during the year?

A.

0.12

B.

0.48

C.

0.36

D.

0.42

 
 

Option: C

Explanation :


57:  

Type of information includes

A.

Control information

B.

Knowledge information

C.

Action Vs. no-action information

D.

All of the above

 
 

Option: D

Explanation :


58:  

The role of the compiler is

A.

To convert a raw into finished

B.

To convert the source code to programming language

C.

To convert information into result

D.

To convert the device into output

 
 

Option: B

Explanation :


59:  

Let byx and bxy denote the regression coefficient of y and x on of x on y, respectively. Then, byx = bxy implies that

A.

σy = σx

B.

ρ = 1

C.

ρ = 0

D.

None of these

 
 

Option: A

Explanation :


60:  

Given

ΣY = Na + bΣY

is

A.

Correlation equation

B.

Regression equation

C.

Mean analysis

D.

Mean

 
 

Option: B

Explanation :




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