ISS (Statistical Services) Statistics Paper II (New 2016 MCQ Pattern): Questions 209  213 of 246
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Question number: 209
» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation
Question
A confidence interval is ________ of a Population parameter
Choices
Choice (4)  Response  

a.  Interval Estimate 

b.  Point Estimate 

c.  Maximum Estimate 

d.  None of the above 

Question number: 210
» Statistical Inference and Hypothesis Testing » Minimum Variance Unbiased Estimators
Question
If a most efficient estimator and a less efficient estimator with efficiency tend to joint normality for large samples, has ________ correlation with
Choices
Choice (4)  Response  

a.  No correlation 

b.  Zero 

c.  Negative 

d.  Question does not provide sufficient data or is vague 

Question number: 211
» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation
Question
Suppose we have , , Then to compute 95 % confidence for which critical point is used?
Choices
Choice (4)  Response  

a. 


b. 


c.  zα=z0.025α 

d. 


Question number: 212
» Statistical Inference and Hypothesis Testing » Characteristics of Good Estimator
Question
An estimator is efficient, if its variance is________ the variance of any other estimator.
Choices
Choice (4)  Response  

a.  More than 

b.  Similar to 

c.  Less than 

d.  Either b or c 

Question number: 213
» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation
Question
Suppose we wish to estimate the average height of the tigers in India. We take a sample of 130 tigers and measure their heights. The mean height is 98.249 cms. The calculated standard deviation is cms, then the confidence interval for the population mean at 95 % confidence limit is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

