Mathematics, 12.11.2020 19:30, evanwall91

Use a graphing calculator to find the least-squares regression line and correlation coefficient for the data shown. heart rate hat. ≈ _-7.78_ • minutes + 137.27

r ≈ -0.9007

There is a _strong, negative association between resting time and heart rate.

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Use a graphing calculator to find the least-squares regression line and correlation coefficient for...