Statistical Analysis (CBSENET (UGC) Environmental Science (PaperII & PaperIII)): Questions 11  16 of 19
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Question number: 11
» Statistical Analysis » Measurement and Distribution of Attributes
Appeared in Year: 2009
Question
In symmetrical distribution pattern – (December)
Choices
Choice (4)  Response  

a.  Mean & Mode coincide  
b.  Median, Mean and Mode coincide  
c.  Mode & Median coincide  
d.  Mean & Median coincide 
Question number: 12
» Statistical Analysis » Arithmetic, Geometric and Harmonic Means
Appeared in Year: 2009
Question
The ‘mean’ that stands for relative importance of different items in a data set is (December)
Choices
Choice (4)  Response  

a.  Arithmetic mean  
b.  Weighted mean  
c.  Geometric mean  
d.  Harmonic mean 
Question number: 13
» Statistical Analysis » Basic Elements and Tools
Appeared in Year: 2009
Question
Which statistical device helps in analyzing the covariation of two or more variables? – (December)
Choices
Choice (4)  Response  

a.  Mean of the variables  
b.  Correlation  
c.  Regression  
d.  Standard deviation 
Question number: 14
» Statistical Analysis » Arithmetic, Geometric and Harmonic Means
Appeared in Year: 2011
Question
For any finite set of positive numbers, which is the correct relationship involving Harmonic Mean (HM), Geometric Mean (GM) and Arithmetic Mean (AM)? – (December)
Choices
Choice (4)  Response  

a.  AM ≤ GM ≤ HM  
b.  HM ≤ GM ≤ AM  
c.  GM ≤ HM ≤ AM  
d.  AM ≤ HM ≤ GM 
Question number: 15
» Statistical Analysis » Tests of Hypothesis and Significance
Appeared in Year: 2011
Question
To test whether there is a significant difference between the means of two sets of observations; one employs the following statistical technique: (December)
Choices
Choice (4)  Response  

a.  ttest  
b.  Ftest  
c.  χ2 test (chi square test)  
d.  Regression 
Question number: 16
» Statistical Analysis » Measurement and Distribution of Attributes
Appeared in Year: 2009
Question
Stoke’s Law of Settling Velocity is represented by – (December)
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 
