Classical

Business Statistics and Data Processing - Business Statistics MCQ

6:  

In which files, the records are organised in sequence and an index table is used to speed up access to the records without requiring a search of the entire file?

A.

Direct files

B.

Sequential files

C.

Indexed Sequential files

D.

None of these

 
 

Option: C

Explanation :


7:  
Correlation between income and demand is
A.

Negative

B.

Positive

C.

Zero

D.

None of the above

 
 

Option: B

Explanation :


8:  

Vertical curve represent the value of coefficient of correlation to be

A.

Positive

B.

Negative

C.

Zero

D.

All of the above

 
 

Option: C

Explanation :


9:  

Minimum value of correlation is

A.

-2

B.

- 1.5

C.

- 1

D.

0

 
 

Option: C

Explanation :


10:  

Files held on a storage device are identified by a special block of data held as the first block on the file. This block is called the

A.

file label

B.

file scratch

C.

file Maintenance

D.

none of these

 
 

Option: A

Explanation :




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