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28 If we increase the confidence of the interval, we decrease the width of the interval. True False 29 How do we know if an estimator is unbiased? It is a point estimate. Its expected value is the parameter it is estimating. It is consistent. Its expected value is itself. OOOOT

28 If we increase the confidence of the interval, we decrease the width of the interval. True False 29 How do we know if an estimator is unbiased? It is a point estimate. Its expected value is the parameter it is estimating. It is consistent. Its expected value is itself. OOOOT

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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## Statistical Concepts Assessment ### Question 28 **Statement:** If we increase the confidence of the interval, we decrease the width of the interval. - ○ True - ○ False ### Question 29 **Question:** How do we know if an estimator is unbiased? - ○ It is a point estimate. - ○ Its expected value is the parameter it is estimating. - ○ It is consistent. - ○ Its expected value is itself. ### Question 30 **Problem:** For a one-tailed greater-than test, what is the t-value for the rejection region if the sample size is 8 and we are using a 90% confidence level? - *Type your answer:* __________ *Note: There are no graphs or diagrams included in this section.*
Transcribed Image Text:## Statistical Concepts Assessment ### Question 28 **Statement:** If we increase the confidence of the interval, we decrease the width of the interval. - ○ True - ○ False ### Question 29 **Question:** How do we know if an estimator is unbiased? - ○ It is a point estimate. - ○ Its expected value is the parameter it is estimating. - ○ It is consistent. - ○ Its expected value is itself. ### Question 30 **Problem:** For a one-tailed greater-than test, what is the t-value for the rejection region if the sample size is 8 and we are using a 90% confidence level? - *Type your answer:* __________ *Note: There are no graphs or diagrams included in this section.*
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