Breaststroke Swimmers How much trainingtime does it take to become a world-class
Chapter 9, Problem 80(choose chapter or problem)
Breaststroke Swimmers How much trainingtime does it take to become a world-class breaststrokeswimmer? A survey published in The American Journalof Sports Medicine reported the number of metersper week swum by two groups of swimmersthosewho competed only in breaststroke and those whocompeted in the individual medley (which includesbreaststroke). The number of meters per week practicingthe breaststroke swim was recorded and the summarystatistics are shown below.26Breaststroke Individual MedleySample Size 130 80Sample Mean 9017 5853Sample Standard Deviation 7162 1961 Is there sufficient evidence to indicate a difference inthe average number of meters swum by these twogroups of swimmers? Test using a .01.
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