ISS (Statistical Services) Statistics Paper II (New 2016 MCQ Pattern): Questions 138  141 of 246
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Question number: 138
» Statistical Inference and Hypothesis Testing » Minimum Variance Unbiased Estimators
Question
If and are two estimators for , such that and , then
Choices
Choice (4)  Response  

a. 


b. 


c.  Either or 

d.  Question does not provide sufficient data or is vague 

Question number: 139
» Statistical Inference and Hypothesis Testing » Moments and Least Squares
Question
Generally the estimators obtained by the method of moments as compared to Maximum Likelihood estimators are:
Choices
Choice (4)  Response  

a.  Less Efficient 

b.  More Efficient 

c.  Equally Efficient 

d.  Question does not provide sufficient data or is vague 

Question number: 140
» Statistical Inference and Hypothesis Testing » CramerRao Inequality
Question
Which of the following options is appropriate for the CramerRao Inequality, where
is an unbiased estimator 
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 141
» Statistical Inference and Hypothesis Testing » Characteristics of Good Estimator
Question
For a normal population , the variance of the sample mean and sample variance are given . Then the efficiency of median against mean is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

