ISS (Statistical Services) Statistics Paper II (New 2016 MCQ Pattern): Questions 244  246 of 246
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Question number: 244
» Statistical Inference and Hypothesis Testing » CramerRao Inequality
Question
CramerRao Inequality provides a Lower bond to the variance of an ________ estimator for a parameter.
Choices
Choice (4)  Response  

a.  Unbiased 

b.  Consistent 

c.  Maximum Likelihood estimator 

d.  Sufficient 

Question number: 245
» Statistical Inference and Hypothesis Testing » Simple and Composite Hypotheses
Question
A Statistical Hypothesis, which specifies the population completely, is known as
Choices
Choice (4)  Response  

a.  Null Hypothesis 

b.  Simple Hypothesis 

c.  Composite Hypothesis 

d.  Question does not provide sufficient data or is vague 

Question number: 246
» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation
Question
The confidence level is 95%. This means
Choices
Choice (4)  Response  

a.  95 % of the samples do not contain the population mean and 5 % of the samples will contain the population mean 

b.  95 % of the samples will contain the population mean and 5 % of the samples do not contain the population mean 

c.  We are 100 % confident that the samples will contain the population mean 

d.  None of the above 
