Data on pollution and cost of medical care for elderly people are given in the following table. Region Pollution Cost of Medical Care North 30.0 915 Upper South 31.8 891 Deep South 32.1 968 West South 26.8 972 Big Sky 30.4 952 West 40.0 899 Compute the regression line and determine the residuals Compute the correlation coefficient. Does the value of r indicate that the linear relationship is strong? Are there any unusual feature of the residual plot?

Data on pollution and cost of medical care for elderly people are given in the following table. Region Pollution Cost of Medical Care North 30.0 915 Upper South 31.8 891 Deep South 32.1 968 West South 26.8 972 Big Sky 30.4 952 West 40.0 899 Compute the regression line and determine the residuals Compute the correlation coefficient. Does the value of r indicate that the linear relationship is strong? Are there any unusual feature of the residual plot?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.1: Measures Of Center

Problem 9PPS

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