ISS (Statistical Services) Statistics Paper II (New 2016 MCQ Pattern): Questions 193  195 of 246
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Question number: 193
» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation
Question
The health organization wants to study the mean weight of Indian women of the age group 30  40. A fourty woman of that age group is randomly selected and their weights in pounds are recorded.
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The calculated standard deviation is σ = 12.77. Then the 95 % confidence interval for the mean weight is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 194
» Statistical Inference and Hypothesis Testing » Sufficient Estimator
Question
Let be a random sample from a uniform population on . Then the sufficient estimator for is
Choices
Choice (4)  Response  

a. 


b.  Either (i) or (ii) 

c. 


d.  Question does not provide sufficient data or is vague 

Question number: 195
» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation
Question
Keeping the sample size same, suppose we decrease the level of confidence then the length of the Confidence interval will become
Choices
Choice (4)  Response  

a.  Remains the same 

b.  Smaller 

c.  More 

d.  Question does not provide sufficient data or is vague 
