Statistical Inference and Hypothesis TestingCharacteristics of Good Estimator (ISS (Statistical Services) Statistics Paper II (New 2016 MCQ Pattern)): Questions 41  46 of 54
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Question number: 41
» Statistical Inference and Hypothesis Testing » Characteristics of Good Estimator
Question
is an ________ where as is an ________
Choices
Choice (4)  Response  

a.  Estimate and an estimator 

b.  Estimator and an estimate 

c.  Question does not provide sufficient data or is vague 

d.  All of the above 

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. 

