a) 1.409
b) ( -2.822, 5.64)
c) 4.23
A sample of 11 observations taken from a normally distributed population produced the following data.
−7.1
10.3
8.7
−3.6
−6.0
−7.5
5.2
3.7
9.8
−4.4
6.4
a) What is the point estimate of μ?
b) Make a 95% confidence interval for μ.
c) What is the margin of error of estimate for μ in part b?
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