Statistical Inference and Hypothesis TestingConfidence Interval Estimation (ISS (Statistical Services) Statistics Paper II (New 2016 MCQ Pattern)): Questions 49  54 of 73
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Question number: 49
» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation
Question
Degrees of freedom for the mean in case of large sample size is…………; and in case of for the small sample size is……. .
Choices
Choice (4)  Response  

a.  and n 

b.  and 

c.  and 

d.  and 

Question number: 50
» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation
Question
It is given that , , . Then the Confidence Interval at is given by
Choices
Choice (4)  Response  

a. 


b. 


c.  Both a. and b. are correct 

d.  Question does not provide sufficient data or is vague 

Question number: 51
» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation
Question
Find the 95 % Confidence Interval for with the following information.
, ,
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  None of the above 

Question number: 52
» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation
Question
If the sample size is small and is unknown, then the Confidence Interval (CI) is given by
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  All of the above 

Question number: 53
» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation
Question
A data on the weight of 200 coconuts yield a mean of 2.49 and a standard deviation 0.674. 96 % confidence interval for population mean is:
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  All of the above 

Question number: 54
» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation
Question
A confidence interval is ________ of a Population parameter
Choices
Choice (4)  Response  

a.  Interval Estimate 

b.  Point Estimate 

c.  Maximum Estimate 

d.  None of the above 
