A group of 15 swimmers is chosen to participate in an
Chapter 6, Problem 2SE(choose chapter or problem)
A group of 15 swimmers is chosen to participate in an experiment to see if a new breathing style will improve their stamina. Each swimmer’s pulse recovery rate is measured after a 20 minute workout using the old breathing style. The swimmers practice the new style for two weeks, and then measure their pulse recovery rates after a 20 minute workout using the new style. They will continue to use the newbreathing style if it is shown to reduce pulse recovery time.
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