Statistical Inference and Hypothesis TestingConfidence Interval Estimation (ISS (Statistical Services) Statistics Paper II (New 2016 MCQ Pattern)): Questions 14  17 of 73
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Question number: 14
» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation
Question
It is given that sample size , sample mean and sample standard deviation . Then 95 % Confidence Interval would be
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  All of the above 

Question number: 15
» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation
Question
It is given that , and . Then the 95 % Confidence Interval for is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 16
» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation
Question
The Government conducts national survey to study about the home gardening.
A random sample of 250 households is taken, which have their own vegetable gardens. The average size of their gardens is 643 sq. ft. The calculated standard deviation is σ = 247 sq. ft. Then 90 % confidence interval for the mean size µ, of all household vegetable gardens is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 17
» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation
Question
Formula for the Confidence interval with confidence coefficient for the variance of the Normal distribution when is known, is given by
Choices
Choice (4)  Response  

a. 


b. 


c.  Both a. and b. are correct 

d.  Question does not provide sufficient data or is vague 
