31 May 2014

Smu mba statics for management sample paper set two


 

Unit 4 Marks 2
You have completed your quiz attempt. You have scored -4 of 8 possible points.
Question Results
 Question:
A good average must be

 
Response:
Wrong
Based on some values and properly defined 
Feedback:
This is not the right choice,refer 4.2.
 
Should have chosen
Based on all values and rigidly defined 
Based on extreme values and rigidly defined 
Based on important values and affected by sampling fluctuations
 Question:
Find the mean value for the grouped data
C.I 10-20 20-30 30-40 40-50 50-60 60-70
Freq 15 10 8 12 16 9

Response:
34.8 
33.2 
Should have chosen
35.44
Wrong
40 
Feedback:
This is not the right choice,refer problem 9 in 4.3.2.
 
 Question:
Two functions of classification are
Response:
Wrong
Presentation and interpretation
Scrutiny and editing
Should have chosen
Reduce bulk data and facilitate comparisons
Forming trend and tendencies of data
 Question:
Two requisites of good classification are
Response:
Ambiguous and not mutually exclusive 0
Unstable and heterogeneous 0
Mutually inclusive and bring out essential features 0
Should have chosen
Exhaustive and revealing
Question:
The mean of the following distribution is
X 145 155 165 175 Freq 10 12 15 10



 
Response:
Should have chosen
160.3 
165.9
Wrong
159.7 
Feedback:
This is not the right choice,refer problem 18 in 4.6.
 
162.1 

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