The population in this project has a standard deviation that is unknown to us in principle, so the t-interval method that uses the sample standard deviation, s, and t-values. Construct a confidence interval for the unknown population mean using the sample statistics.    Sample mean: x=23.3  Sample size: n=30 Sample standard deviation: s=19.86  confidence level: 95%

MATLAB: An Introduction with Applications
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The population in this project has
a standard deviation that is unknown to us in principle, so the t-interval method that uses
the sample standard deviation, s, and t-values. Construct a confidence interval for the
unknown population mean using the sample statistics. 

 

Sample mean: x=23.3 

Sample size: n=30

Sample standard deviation: s=19.86 

confidence level: 95%

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