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UploadHeartRate Exercisedata in the comments and a scattered plot chart with X representing weekly exercise hours and Y representing the heart rate at rest ;
UploadHeartRate Exercisedata in the comments and a scattered plot chart withX representing weekly exercise hoursandY representing the heart rate at rest; plot the line and compute the R-square. Answer the questions:
I) What are the slope and the R-squares on your chart? (10 points)
- a. -0.5727 and 0.1307
- b. -0.5727x and 0.1307
- c. 75.189 and 0.1307
- d. -0.2281 and 0.1307
II) If one exercise 12 hours weekly, using the chart and the equation, what is your prediction for the individual's heart rate at rest? (10 points)
- a. As one weekly exercise hours increases by 12 hours one's heart rate at rest will decreases to approximately 68.32.
- b. There is an obvious negative trend, the more one exercise the less heart rate at rest.
- c. The individual's heart rate at rest will be approximately 68.32
- d. None of these
III) What does each dot represent? (10 points)
- a. A person
- b. Weekly exercise hours
- c. Heart rate at rest
- d. None of these
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