ISS (Statistical Services) Statistics Paper II (New 2016 MCQ Pattern): Questions 217  220 of 253
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Question number: 217
» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation
Question
Let be a random sample and and be any two statistics such that , then the confidence limits for a parametric function of can be obtained by the relation
Choices
Choice (4)  Response  

a.  and 

b.  and 

c.  and 

d.  Question does not provide sufficient data or is vague 

Question number: 218
» Statistical Inference and Hypothesis Testing » Characteristics of Good Estimator
Question
An estimator is considered to be the best if its distribution is
Choices
Choice (4)  Response  

a.  Concentrated about the true parameter value 

b.  Normal 

c.  Discrete 

d.  Continuous 

Question number: 219
» Statistical Inference and Hypothesis Testing » Sufficient Estimator
Question
If a statistic provides as much information as the random variable could provide, Then T is a ________ Statistic
Choices
Choice (4)  Response  

a.  Efficient 

b.  Unbiased 

c.  Sufficient 

d.  Consistent 

Question number: 220
» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation
Question
Confidence intervals for the parameters , of the Normal distribution having density function, in case of unknown variance , is given by
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  All of the above 
