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A sample of 18 observations taken from a normally distributed population produced the following data:


27.1 25.1 25.5 31.5 23.1 26.5 24.4 28.2 37.5 23.6 28.7 27.8 25.4 27.5 25.5 22.5 22.9

Round your answers to three decimal places.

a. What is the point estimate of μ?


b. Make a 90%

 confidence interval for μ

( , )

c. What is the margin of error of estimate for μ

 in part b?


Top Answer

a. What is the point estimate of? x= 26.728 standard deviation, s =... View the full answer

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