Classical

June 2015 - Paper 2

31:  
If your score in an exam was 80, with a mean of 60, what would be the standardised score for this exam if the standard deviation is 15 ?
A.

1.33

B.

1.25

C.

1.52

D.

1.72

 
 

Option: A

Explanation :


32:  

Spurious relationship between two variables refer to :

A.

Very poor relationship between the variables.

B.

Statistically insignificant relationship between the variables.

C.
Relationship happens only due to third variable which is common to both the variables.
D.

The relationship which is impossible to measure.

 
 

Option: C

Explanation :


33:  
In a medical test, where the null hypothesis is : 'The patient does not have the disease' and
the alternative hypothesis is : ' The patient has the disease' .
Suppose a patient has a disease and needs treatment. In the hypothesis testing process, which of the following errors is more serious than the others.
A.

Type - I error

B.

Type - II error

C.

Both Type - I and Type - II error

D.

r - error

 
 

Option: B

Explanation :


34:  

Decision support system does not use:

A.

Analytical models

B.

Specialized databases

C.

File server

D.

Computer - based modelling process

 
 

Option: C

Explanation :


35:  

Give the correct order of the stages in 'System Development'.

A.
Testing -> Programming -> Systems Design -> Systems Analysis -> Conversion ->
Production and Maintenance
B.
Programming -> Testing -> Systems Analysis -> Systems Design -> Conversion ->
Maintenance
C.
Systems Analysis -> Systems Design -> Programming -> Testing -> Conversion -> Production and Maintenance
D.
Production and Maintenance -> Testing -> Conversion -> Programming -> Systems
Design -> Systems Analysis
 
 

Option: C

Explanation :




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