Statistical Inference and Hypothesis TestingConfidence Interval Estimation [ISS (Statistical Services) Statistics Paper II (New 2016 MCQ Pattern)]: Questions 7  11 of 73
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Question number: 7
» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation
Question
Suppose we want to estimate the mean amount of money spent by students on some project in a year. We have the following data of 10 randomly selected students. and calculated sample mean is 249 Rs. and standard deviation is 30 Rs. 95 % Confidence interval for is:
Choices
Choice (4)  Response  

a.  256.89±290.68  
b. 
 
c. 
 
d. 

Question number: 8
» 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: 9
» 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 coefficient  
c.  Confidence interval  
d.  None of the above 
Question number: 10
» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation
Question
For the Confidence Interval we use……. . and For the Confidence Interval we use ……. .
Choices
Choice (4)  Response  

a.  Z table, t table  
b.  t table, Z table  
c.  Z table, Poisson table  
d.  Question does not provide sufficient data or is vague 
Question number: 11
» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation
Question
A confidence interval for of the Normal distribution, when is unknown is given by
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  None of the above 