6) Studies have shown that people who suffer sudden cardiac arrest have a better chance of survival if a defibrillator shock is administered very soon after cardiac arrest. The accompanying data give y = survival rate (percent) and x = mean call-to-shock time (minutes) for a cardiac rehabilitation center (in which cardiac arrests occurred while victims were hospitalized and so the call-to-shock time tended to be short) and for four communities of different sizes: For this problem use your calculators. Mean call-to-shock time X 2 6 7 Survival rate y 90 45 30 a) (2pts) Calculate the correlation coefficient 95 12 2 b) (2pts) Describe the relationship (strength/direction) using the r value for this specific data. (use the words "shock time and survival rates") in your answer. c) (2pts) Calculate the Coefficient of determination
6) Studies have shown that people who suffer sudden cardiac arrest have a better chance of survival if a defibrillator shock is administered very soon after cardiac arrest. The accompanying data give y = survival rate (percent) and x = mean call-to-shock time (minutes) for a cardiac rehabilitation center (in which cardiac arrests occurred while victims were hospitalized and so the call-to-shock time tended to be short) and for four communities of different sizes: For this problem use your calculators. Mean call-to-shock time X 2 6 7 Survival rate y 90 45 30 a) (2pts) Calculate the correlation coefficient 95 12 2 b) (2pts) Describe the relationship (strength/direction) using the r value for this specific data. (use the words "shock time and survival rates") in your answer. c) (2pts) Calculate the Coefficient of determination
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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