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1. Go to a local library; collect a sample of books consisting of the ages of...

1. Go to a local library; collect a sample of books consisting of the ages of book (based on copyright dates). Plan and describe the sampling procedure, then use the results to construct a confidence interval estimate of the mean age of all books in the library.

2. Use the mean and the standard deviation obtained from the last module and test the claim that the mean age of all books in the library is greater than 2005.

Math   Statistics-And-Probability   
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