ISS (Statistical Services) Statistics Paper II (New 2016 MCQ Pattern): Questions 118  122 of 246
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Question number: 118
» Statistical Inference and Hypothesis Testing » Factorization Theorem
Question
is sufficient for if and only if the joint density function, of the sample values can be expressed in the form
where depends on and only through the value of and is independent of . This Theorem is known as
Choices
Choice (4)  Response  

a.  Blackwell Theorem 

b.  RaoBlackwell Theorem 

c.  Factorization Theorem 

d.  CramerRao Theorem 

Question number: 119
» 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: 120
» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation
Question
Formula for obtaining 99 % confidence limits for the mean μ of a Normal population with mean μ and standard deviation σ are
Choices
Choice (4)  Response  

a. 


b. 


c. 


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

Question number: 121
» Statistical Inference and Hypothesis Testing » Simple and Composite Hypotheses
Following Statement is true or false:
The null hypothesis is generally assumed to be ________ until evidence indicates otherwise.
Question number: 122
» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation
Question
Suppose The confidence interval is given by the relation . Then is called as the
Choices
Choice (4)  Response  

a.  Correlation Coefficient 

b.  Confidence interval 

c.  Confidence coefficient 

d.  All of the above 
