Statistical Inference and Hypothesis Testing (ISS (Statistical Services) Statistics Paper II (New 2016 MCQ Pattern)): Questions 90  93 of 222
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Question number: 90
» 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. 


b.  256.89±290.68 

c. 


d. 


Question number: 91
» Statistical Inference and Hypothesis Testing » Sufficient Estimator
Question
Let be a random sample from a density function . A statistics
is said to be sufficient statistics if the conditional distribution of given T
Choices
Choice (4)  Response  

a.  Independent of S 

b.  Dependent of 

c.  Dependent of 

d.  Independent of 

Question number: 92
» Statistical Inference and Hypothesis Testing » Moments and Least Squares
Question
Method of least squares consists of
Choices
Choice (4)  Response  

a.  Minimizing the sum of squares of residuals 

b.  Maximizing the sum of squares of residuals 

c.  All of the above 

d.  None of the above 

Question number: 93
» Statistical Inference and Hypothesis Testing » Sufficient Estimator
Question
If a statistics is a sufficient statistics for a parameter of the density function , then the conditional distribution of is ………. of for any value of
Choices
Choice (4)  Response  

a.  Dependent 

b.  Either dependent or Independent 

c.  Independent 

d.  All of the above 
