-2 points Devore59 7 E.507.XP My Notes Ask Your Teacher A triathion consisting o

Question

-2 points Devore59 7 E.507.XP My Notes Ask Your Teacher A triathion consisting of swimming, cycling, and running is one of the more strenuous amateur sporting events. An articlie reports on a research study invoiving sikteen male triathletes. Maximum heart rate (beats/min) was recorded during performance of each of the three events For swimming, the sample mean and sample standard deviation were 186.0 and 7.2, respectively. Assuming that the heart-rate distribution is (approximately norma, construct 98% ci er true mean heart rate of triathletes while swimming ound your anawem one decimal place.) beats/min You may need to use the appropriate table in the Appendix of Tables to answer this question, Need Help? My Nooss Ask Your

Explanation / Answer

therefore 98% CI =181.3 ; 190.7

sample mean xbar= 186.000 sample size                n= 16 sample std deviation s= 7.200 standard errror of mean = sx=s/n= 1.8000

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