An article in the Journal of Sound and Vibration described a study investigating the relationship between noise exposure and hypertension. The data given in the table are representative of those...

A. Do these data provide sufficient evidence that there is a positive linear relationship between the two variables?

B. What does R^2 imply?

C. Using the regression model, predict the blood pressure level associated with a sound pressure of
7.5 decibels.

Extracted text: An article in the Journal of Sound and Vibration described a study investigating the relationship between noise exposure and hypertension. The data given in the table are representative of those reported in the article. ID Noise Blood ID Noise Blood Pressure Pressure Pressure Pressure (decibels) (decibels) 2 65 11 4 83 2 2 63 12 4 90 3 3 65 13 7 90 4 2 71 14 8 88 5 4 75 15 4 88 1 81 16 95 7 3 80 17 8 96 8 5 96 18 9. 92 9 1 85 19 7 100 10 80 20 100 3.