Dougall compared the resting heart rate of average healthy citizens and soldiers suffering from post-traumatic stress disorder (PTSD). The normal resting heart rate for 25 healthy people averages 65 beats per minute (bpm) with a standard deviation of 6 bpm. The average heart rate of 16 people suffering from PTSD was 82 bpm with a standard deviation of 8 bpm. Use a = .05 for a two-tailed test. Does PTSD cause an elevation in resting heart rate? Complete all 4 steps of hypothesis testing.

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6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Dougall compared the resting heart rate of average healthy citizens and soldiers suffering from post-traumatic stress disorder (PTSD). The normal resting heart rate for 25 healthy people averages 65 beats per minute (bpm) with a standard deviation of 6 bpm. The average heart rate of 16 people suffering from PTSD was 82 bpm with a standard deviation of 8 bpm. Use a = .05 for a two-tailed test. Does PTSD cause an elevation in resting heart rate? Complete all 4 steps of hypothesis testing.

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