ISS Statistics Paper II (New 2016 MCQ Pattern): Questions 29  34 of 246
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Question number: 29
» Statistical Inference and Hypothesis Testing » Characteristics of Good Estimator
Question
A random sample of size 5 is drawn from a normal population with unknown mean . Then is a unbised estimator of
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 30
» Statistical Inference and Hypothesis Testing » Characteristics of Good Estimator
Question
Let be a random sample from Bernoulli population with parameter , . If ,
Choices
Choice (4)  Response  

a.  Is not sufficient for  
b.  Is Sufficient for  
c.  The conditional distribution does not depend on  
d.  Both b. and c. are correct 
Question number: 31
» Statistical Inference and Hypothesis Testing » Characteristics of Good Estimator
Question
If T is an unbiased estimator for , then is
Choices
Choice (4)  Response  

a.  Biased estimator of  
b.  Unbiased estimator  
c.  None of the above  
d.  Question does not provide sufficient data or is vague 
Question number: 32
» Statistical Inference and Hypothesis Testing » Characteristics of Good Estimator
Question
A formula or rule used for estimating the parameter is called:
Choices
Choice (4)  Response  

a.  Estimate  
b.  Statistic  
c.  Estimation  
d.  Estimator 
Question number: 33
» Statistical Inference and Hypothesis Testing » Characteristics of Good Estimator
Question
In sampling from a population, the sample mean is a consistent estimator of
Choices
Choice (4)  Response  

a. 
 
b.  +1  
c. 
 
d.  All of the above 
Question number: 34
» Statistical Inference and Hypothesis Testing » Characteristics of Good Estimator
Question
Let be random sample from a population with mean . Then is
Choices
Choice (4)  Response  

a.  Unbiased estimator of  
b.  Biased estimator of  
c.  Unbiased estimator of  
d.  All of the above 