Statistical Analysis (CBSENET (Based on NTAUGC) 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. 

