Question
2) A random sample of 25 observations was selected from a normally distributed population. The average in the sample was 84.6 with a variance of
2) A random sample of 25 observations was selected from a normally distributed population. The average in the sample was 84.6 with a variance of 400. (30 points) a). Construct a 90% confidence interval for . b). Construct a 99% confidence interval for .
Show on excel sheet. I am having trouble creating the excel sheet for these equations. Please attach a excel picture if possible to show how this information should look in excel.
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Business Statistics Communicating With Numbers
Authors: Sanjiv Jaggia, Alison Kelly
2nd Edition
0078020557, 978-0078020551
