=+ The means and standard deviations of the times (in seconds) are as shown here. Swimmer Mean

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=+• The means and standard deviations of the times (in seconds) are as shown here.

Swimmer Mean SD 1 (backstroke) 50.72 0.24 2 (breaststroke) 55.51 0.22 3 (butterfly) 49.43 0.25 4 (freestyle) 44.91 0.21

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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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