Testing a Claim
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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 that 2005. Share your results with the class. Please make sure to comply with all Netiquette Guidelines listed in the Getting Started module.
Directly and completely post the requested information
Respond to another student's post explaining why you agree or disagree with his/her test results. Respond to two or more posts explaining why you agree or disagree with his/her test results