Mathematics, 25.05.2020 09:57 melody12chocolatemil
83 random samples were selected from a normally distributed population and were found to have a mean of 32.1 and a standard deviation of 2.4. Construct a 90% confidence interval for the population standard deviation.
Answers: 3
represent the sample mean 
population mean (variable of interest)
and 
, and we can use excel, a calculator or a table to find the critical values. 
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83 random samples were selected from a normally distributed population and were found to have a mean...
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