SOLUTION: Researchers presented data on blood levels of beta-endorphin as a function of stress. They took beta-endorphin levels for 19 patients 12 hours before surgery and again 10 minutes b
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-> SOLUTION: Researchers presented data on blood levels of beta-endorphin as a function of stress. They took beta-endorphin levels for 19 patients 12 hours before surgery and again 10 minutes b
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Question 1202764: Researchers presented data on blood levels of beta-endorphin as a function of stress. They took beta-endorphin levels for 19 patients 12 hours before surgery and again 10 minutes before surgery. The data are presented below:
Patient ID 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
12 hrs 10 6.5 8 12 5 11.5 5 3.5 7.5 5.8 4.7 8 7 17 8.8 18 15 4.4 2
10 min. 6.5 14 13.5 18 14.5 9 18 42 7.5 6 25 12 52 20 16 15 11.5 2.5 2
Based on these data, what effect does increased stress have on endorphin levels? Test the hypothesis at α = 0.05
