=+machines and tests the combined shut down and restart time of each machine before and after the

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=+machines and tests the combined shut down and restart time of each machine before and after the new operating system has been installed. The mean and standard deviation of the differences (before – after) is 23.5 seconds with a standard deviation of 40 seconds.

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Business Statistics Plus Pearson Mylab Statistics With Pearson Etext

ISBN: 978-1292243726

3rd Edition

Authors: Norean R Sharpe ,Richard D De Veaux ,Paul Velleman

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