Lets take the sample of books from the library by picking 2 books from each shelf and note the age of each of the book. We took a sample of 64 books and found that the mean age is 52 years and the standard deviation is 6 years. CI =(52−664√(1.96),52+664√(1.96))(50.53, 53.47) CI =(52−664√(1.96),52+664√(1.96))(50.53, 53.47) ******QUESTION: Use the mean and the standard deviation obtained from the THE PROBLEM ABOVE ^^ and test the claim that the mean age of all books in the library is greater than 2005. ****

MATLAB: An Introduction with Applications
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Lets take the sample of books from the library by picking 2 books from each shelf and note the age of each of the book. We took a sample of 64 books and found that the mean age is 52 years and the standard deviation is 6 years. 

 

CI =(52−664√(1.96),52+664√(1.96))(50.53, 53.47)

 

CI =(52−664√(1.96),52+664√(1.96))(50.53, 53.47)

 

 

******QUESTION: Use the mean and the standard deviation obtained from the THE PROBLEM ABOVE ^^ and test the claim that the mean age of all books in the library is greater than 2005. ****

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