Football Player Heart Rates For a group of 22 college football players, the mean heart
Chapter 7, Problem 18(choose chapter or problem)
Football Player Heart Rates For a group of 22 college football players, the mean heart rate after a morning workout session was 86 beats per minute, and the standard deviation was 5. Find the 90% confidence interval of the true mean for all college football players after a workout session. If a coach did not want to work his team beyond its capacity, what maximum value should he use for the mean number of heartbeats per minute?
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