1 An article in the Journal of Sound and Vibration (Vol. 151, 1991, pp. 383-394) described a study investigating the relationship betweennoise exposure and hypertension. The following data are representative of those reported in the article.у ху х1 60 5 85O 63 4 891 65 6 902 70 8 9O5 70 4 9O1 70 5 9O4 80 7 946 90 9 1002 80 7 1003 80 6 100Fit a linear regression model relating blood pressure rise in millimeters of mercury (y) to sound pressure level in decibels (x) using leastsquares. (a) Draw a scatter diagram of y versus x (using statistical software). Does a simple linear regression model seem reasonable in thissituation?(b) Calculate the least squares estimate of the slope. B, =i(Round your answer to 3 decimal places.)(c) Calculate the least squares estimate of the intercept. Bo =i(Round your answer to 3 decimal places.)(d) Calculate an estimate of o?.i(Round your answer to 3 decimal places.)(e) Obtain the predicted mean rise in blood pressure level associated with a sound pressure of 92 decibels.i(Round your answer to 3 decimal places.)

Answered: Image /qna-images/answer/577f5483-edd5-4c12-92b6-084b3c69a60b.jpg

An article in the Journal of Sound and Vibration (Vol. 151, 1991, pp. 383-394) described a study investigating the relationship between noise exposure and hypertension. The following data are representative of those reported in the article. у х у х 1 60 5 85 O 63 4 89 1 65 6 90 2 70 8 9O 5 70 4 9O 1 70 5 9O 4 80 7 94 6 90 9 100 2 80 7 100 3 80 6 100 Fit a linear regression model relating blood pressure rise in millimeters of mercury (y) to sound pressure level in decibels (x) using least squares.

An article in the Journal of Sound and Vibration (Vol. 151, 1991, pp. 383-394) described a study investigating the relationship between noise exposure and hypertension. The following data are representative of those reported in the article. у х у х 1 60 5 85 O 63 4 89 1 65 6 90 2 70 8 9O 5 70 4 9O 1 70 5 9O 4 80 7 94 6 90 9 100 2 80 7 100 3 80 6 100 Fit a linear regression model relating blood pressure rise in millimeters of mercury (y) to sound pressure level in decibels (x) using least squares.

Elementary Linear Algebra (MindTap Course List)

8th Edition

ISBN:9781305658004

Author:Ron Larson

Publisher:Ron Larson

Chapter5: Inner Product Spaces

Section5.4: Mathematical Models And Least Squares Analysis

Problem 39E

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