Sample Problem An article in the Journal of Soundand Vibration (1991, Vol. 151, pp. 383-394) described astudy investigating the relationshipbetween noise exposure and hypertension.The following data are 5 representative of those reported in the article.x represents the sound pressure levelin decibels andy represents the blood pressure rise in milli meters of mercurya. Drawa scatter diagram of y (blood pressure rise in milli meters of mercury) versusx (sound pressure levelin decibels).b. Fit the simple linear regression model using least squares.c. Find an estimate of the variance o 2d. Find the predicted mean rise in blood pressure levelassociated with a sound pressure level of 85 decibelse. Calculate the coefficient of determination for this modeland provide an interpretation.60636570 | 70 | 70| 809080 | 80y115146.85 89 | 90 9090 90 | 94 | 100100100y46.849.76.

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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