Concept explainers
or Problems 8-12, categorize each problem according to the parameter being estimated: proportion p or mean µ. Then solve the problem.
Archaeology: Pottery Shards of clay vessels were put together to reconstruct rim diameters of the original ceramic vessels found at the Wind Mountain archaeological site (see source in Problem 11). A random sample of ceramic vessels gave the following rim diameters (in centimeters):
15.9 | 13.4 | 22.1 | 12.7 | 13.1 | 19.6 | 11.7 | 13.5 | 17.7 | 18.1 |
Use a calculator with mean and sample standard deviation keys to verify that
Compute an 80% confidence interval for the population mean µ of rim diameters for such ceramic vessels found at the Wind Mountain archaeological site.
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Chapter 8 Solutions
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