Normally distributed population


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

28.4 27.3 25.5 25.5 31.1 23.0 26.3 24.6 28.4

37.2 23.9 28.7 27.9 25.1 27.2 25.3 22.6 22.7

a. What is the point estimate of µ.?

b. Make a 99% confidence interval for µ.

c. What is the margin of error of estimate for µ in part b?

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Basic Statistics: Normally distributed population
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