article read by a physician indicated that the maximum heart rate an individual can reach during intensive exercise decreases with age. The physician decided to do their own study to see if Age can be used to estimate Peak Heart rate. Six randomly selected people performed exercise tests and recorded their peak heart rates. The results are shown in the following table. Age (years) Peak Heart Rate (beats per minute) 38 41 38 29 46 24 183 171 177 186 175 196
article read by a physician indicated that the maximum heart rate an individual can reach during intensive exercise decreases with age. The physician decided to do their own study to see if Age can be used to estimate Peak Heart rate. Six randomly selected people performed exercise tests and recorded their peak heart rates. The results are shown in the following table. Age (years) Peak Heart Rate (beats per minute) 38 41 38 29 46 24 183 171 177 186 175 196
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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Question
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1.)fill in the blanks. Based on the physician's study, the predictor variable, X is_____and the response variable, Y, is________.
2.) As described in the article, the relation between age and peak heart is a______.
- positive relation
- negative relation
- no relation
3.) Provide the regression line, ŷ=a+bx. Show steps/equations used to get answer.
4.) Suppose a 40 year old person is randomely selected. Use your Model to predict their peak heart rate.
5.) Based on your model, as a person ages one year, how much would you expect peak heart rate to change?
Transcribed Image Text:An article read by a physician indicated that the maximum heart rate an individual can reach during intensive
exercise decreases with age.
The physician decided to do their own study to see if Age can be used to estimate Peak Heart rate.
Six randomly selected people performed exercise tests and recorded their peak heart rates.
The results are shown in the following table.
Age (years)
Peak Heart Rate (beats per minute)
38
41
38
29
46
24
183
171
177
186
175
196
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