Foot temperatures: Foot ulcers are a common problem for people with diabetes. Higher skin temperatures on the foot indicate an increased risk of ulcers. In a study performed at the Colorado School of Mines, skin temperatures on both feet were measured, in degrees Fahrenheit, for 8 diabetic patients. The results are presented in the following table. Use a TI-84 calculator to answer the following. Left Foot Right Foot 85 85 88 89 78 78 89 90 76 81 80 80 89 86 87 82

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
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Chapter9: Solving Quadratic Functions
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Compute the least-squares regression line for predicting the right foot temperature from the left foot temperature. Round the slope and y-Intercept values to four decimal places.
Foot temperatures: Foot ulcers are a common problem for people with diabetes. Higher skin temperatures on the foot indicate
an increased risk of ulcers. In a study performed at the Colorado School of Mines, skin temperatures on both feet were measured,
in degrees Fahrenheit, for 8 diabetic patients. The results are presented in the following table. Use a TI-84 calculator to answer
the following.
Left Foot
Right Foot
85
85
88
89
78
78
89
90
76
81
80
80
89
86
87
82
Transcribed Image Text:Foot temperatures: Foot ulcers are a common problem for people with diabetes. Higher skin temperatures on the foot indicate an increased risk of ulcers. In a study performed at the Colorado School of Mines, skin temperatures on both feet were measured, in degrees Fahrenheit, for 8 diabetic patients. The results are presented in the following table. Use a TI-84 calculator to answer the following. Left Foot Right Foot 85 85 88 89 78 78 89 90 76 81 80 80 89 86 87 82
Compute the least-squares regression line for predicting the right foot temperature from the left foot temperature. Round
the slope and y-Intercept values to four decimal places.
y =
Transcribed Image Text:Compute the least-squares regression line for predicting the right foot temperature from the left foot temperature. Round the slope and y-Intercept values to four decimal places. y =
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