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Consider the following statements concerning confidence intervals: A. A confidence interval can only use information from the sample data to construct an interval estimate for a sample statistic not a population parameter.   B. An interval estimate is often preferred to a point estimate because an interval estimate provides more information.   C. To derive a confidence interval for a population mean when the population variance is unknown AND the sample size is small (<30), the population mean needs to satisfy that it is normally distributed.

Consider the following statements concerning confidence intervals: A. A confidence interval can only use information from the sample data to construct an interval estimate for a sample statistic not a population parameter.   B. An interval estimate is often preferred to a point estimate because an interval estimate provides more information.   C. To derive a confidence interval for a population mean when the population variance is unknown AND the sample size is small (<30), the population mean needs to satisfy that it is normally distributed.

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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Consider the following statements concerning confidence intervals:

A. A confidence interval can only use information from the sample data to construct an interval estimate for a sample statistic not a population parameter.

 

B. An interval estimate is often preferred to a point estimate because an interval estimate provides more information.

 

C. To derive a confidence interval for a population mean when the population variance is unknown AND the sample size is small (<30), the population mean needs to satisfy that it is normally distributed.

 

only A is true

 

only B is true

 

only A and C are true

 

only B and C are true

 

A, B and C are true

 

 

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