Statistical Analysis (CBSENET (UGC) Environmental Science (PaperII & PaperIII)): Questions 6  10 of 19
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Question number: 6
» Statistical Analysis » Tests of Hypothesis and Significance
Appeared in Year: 2009
Question
Parallelism among the standard curves can be determined by one of the following. – (December)
Choices
Choice (4)  Response  

a.  Chi square  
b.  ANOVA  
c.  ANCOVA  
d.  Student’st test 
Question number: 7
» Statistical Analysis » DistributionNormal, T and Poisson and Binomial
Appeared in Year: 2015
Question
In a random sample of , the mean is 40, and the standard deviation (sd) is 4.0. The 95 % confidence interval (Z = 1.96) for the mean is. (June)
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 8
» Statistical Analysis » Measurement and Distribution of Attributes
Appeared in Year: 2015
Question
Which one of the following would indicate that a dataset is NOT distributed in a bellshape? – (June)
Choices
Choice (4)  Response  

a.  The mean is much smaller than the median  
b.  There are no outliers  
c.  The range is equal to 5 standard deviation  
d.  The range is larger than the inter quartile range 
Question number: 9
» Statistical Analysis » Tests of Hypothesis and Significance
Appeared in Year: 2015
Question
Chocolates of 250 g produced in a factory were observed to have standard deviation of 2 g. A random sample of 20 chocolates showed a standard deviation of 1.5 g. What is the value for the sample? – (June)
Choices
Choice (4)  Response  

a.  6.0  
b.  33.3  
c.  10.7  
d.  7.2 
Question number: 10
» Statistical Analysis » DistributionNormal, T and Poisson and Binomial
Appeared in Year: 2015
Question
The mean of a Poisson’s distribution is 8. Its standard deviation is (June)
Choices
Choice (4)  Response  

a. 
 
b.  4  
c. 
 
d.  2 