In Exercise 8.83, we presented some data collected in a study by Susan Beckham and her colleagues. In this study, measurements were made of anterior compartment pressure (in millimeters of mercury) for ten healthy runners and ten healthy cyclists. The data summary is
repeated here for your convenience.
- a Is there sufficient evidence to justify claiming that a difference exists in
mean compartment pressures for runners and cyclists who are resting? Use α = .05. Bound or determine the associated p-value. - b Does sufficient evidence exist to permit us to identify a difference in mean compartment pressures for runners and cyclists at 80%maximal O2 consumption? Use α = .05. Bound or determine the associated p-value.
8.83 Chronic anterior compartment syndrome is a condition characterized by exercise-induced pain in the lower leg. Swelling and impaired nerve and muscle
- a Construct a 95% confidence interval for the difference in mean compartment pressures between runners and cyclists under the resting condition.
- b Construct a 90% confidence interval for the difference in mean compartment pressures between runners and cyclists who exercise at 80% of maximal oxygen (O2) consumption.
- c Consider the intervals constructed in parts (a) and (b). How would you interpret the results that you obtained?
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Mathematical Statistics with Applications
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