Classical

Statistics and methodology - Statistics and Methodology Questions Answer

31:  

Which of the following is/are part of decision support system?

A.

Information analysis system

B.

Data analysis system

C.

Status inquiry system

D.

All of the above

 
 

Option: D

Explanation :

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32:  

Probability density function gives the rate at which the ______ would accumulate if we were to sweep from left to right on the axis of the value of continuous random variable.

A.

Probability

B.

Mode

C.

Mean

D.

Average

 
 

Option: A

Explanation :

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33:  

Given

X value

Y value

5

2

10

7

15

9

21

11

24

15

25

17

30

18

32

21

The above series is an example of

A.

Positive correlation

B.

Simple correlation

C.

Linear correlation

D.

Negative correlation

 
 

Option: A

Explanation :

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34:  

If two or more quantities vary in sympathy so that movement in the one tend to be accompanied by corresponding movements in the other then they are said to be

A.

Computed

B.

Correlated

C.

Motivated

D.

Uncorrelated

 
 

Option: B

Explanation :

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35:  

Which of the following is/are characteristics of Karl Pearson's co-efficient of correlation?

A.

Indication of the direction

B.

Indication of degree

C.

A satisfactory measure

D.

All of the above

 
 

Option: D

Explanation :

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