Statistical Inference and Hypothesis TestingCharacteristics of Good Estimator (ISS (Statistical Services) Statistics Paper II (New 2016 MCQ Pattern)): Questions 42  46 of 54
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Question number: 42
» Statistical Inference and Hypothesis Testing » Characteristics of Good Estimator
Question
Efficiency of sample mean as compared to median as an estimate of the mean of a normal population is
Choices
Choice (4)  Response  

a.  64 percent 

b.  157 percent 

c.  360 percent 

d.  22 percent 

Question number: 43
» Statistical Inference and Hypothesis Testing » Characteristics of Good Estimator
Question
If the expected value of an estimator is not equal to its parametric function, it is said to be a
Choices
Choice (4)  Response  

a.  Unbiased estimator 

b.  Consistent estimator 

c.  Biased estimator 

d.  Sufficient estimator 

Question number: 44
» Statistical Inference and Hypothesis Testing » Characteristics of Good Estimator
Question
If an estimator of population parameter converges in probability to as n tends to infinity is said to be
Choices
Choice (4)  Response  

a.  Efficient 

b.  Consistent 

c.  Unbiased 

d.  Sufficient 

Question number: 45
» 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. 


Question number: 46
» Statistical Inference and Hypothesis Testing » Characteristics of Good Estimator
Question
Relative efficiency of an estimator as compared to is given as
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

