4.1.13

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 $ diabetic patients. The results are presented in the following table. Left Foot Right Foot 89 86 89 87 78 78 80 81 87 82 86 85 76 80 88 89 Send data to Excel Part 1 of 4 (a) Construct a scatterplot of the right foot temperature ()) versus the left foot temperature (x). 92+ Right Foot Temperature ('F) 72+ 70 72 74 76 78 82 88 90 92 Left Foot Temperature ('F)Part: 1 / 4 Part 2 of 4 (b) Compute the correlation coefficient between the temperatures of the left and right feet. Round the answer to at least three decimal places. The correlation coefficient is /' = X 5