ISS (Statistical Services) Statistics Paper II (New 2016 MCQ Pattern): Questions 131  134 of 253
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Question number: 131
» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation
Question
Consider the general form of confidence interval for the mean .
In this expression is known as ………. and is known as ……………….
Choices
Choice (4)  Response  

a.  Critical value, Standard Deviation 

b.  Point estimate, Critical Value  standard error 

c.  Control limit, variance 

d.  All of the above 

Question number: 132
» 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.  Sufficient estimator 

b.  Unbiased estimator 

c.  Consistent estimator 

d.  Biased estimator 

Question number: 133
» Statistical Inference and Hypothesis Testing » Minimum Variance Unbiased Estimators
Question
Which of the following results are true for Minimum Variance Unbiased Estimator (MVUE) 
Choices
Choice (4)  Response  

a.  If nd are MVUE of and then will be an MVUE of 

b.  MVUE is unique 

c.  The correlation coefficient between a most efficient estimator and any other estimator with efficiency is . 

d.  All a. , b. and c. are correct 

Question number: 134
» 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.  Consistent 

b.  Unbiased 

c.  Sufficient 

d.  Efficient 
