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An article in the Journal of Environmental Engineering reported the results of a study on the occurrence of sodium and chloride in surface streams in central Rhode Island. The following data are chloride concentration y (in milligrams per liter) and roadway area in the watershed x (in percentage). y 4.4 6.6| 9.7 | 10.6 | 10.8 10.9 11.8 12.1 14.3 14.7 15 17.3 19.2 23.1 27.4 x 0.19 0.15 0.57 0.7 0.67 0.63 0.47 0.7 0.6 0.78 0.81 0.78 0.69 1.3 1.05 a. Find the simple linear regression model. b. Find an estimate of the coefficient of determination. C. Test the significance of the correlation coefficient.

An article in the Journal of Environmental Engineering reported the results of a study on the occurrence of sodium and chloride in surface streams in central Rhode Island. The following data are chloride concentration y (in milligrams per liter) and roadway area in the watershed x (in percentage). y 4.4 6.6| 9.7 | 10.6 | 10.8 10.9 11.8 12.1 14.3 14.7 15 17.3 19.2 23.1 27.4 x 0.19 0.15 0.57 0.7 0.67 0.63 0.47 0.7 0.6 0.78 0.81 0.78 0.69 1.3 1.05 a. Find the simple linear regression model. b. Find an estimate of the coefficient of determination. C. Test the significance of the correlation coefficient.

Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
6th Edition
ISBN:9781337111348
Author:Bruce Crauder, Benny Evans, Alan Noell
Publisher:Bruce Crauder, Benny Evans, Alan Noell
Chapter5: A Survey Of Other Common Functions
Section5.3: Modeling Data With Power Functions
Problem 6E: Urban Travel Times Population of cities and driving times are related, as shown in the accompanying...
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An article in the Journal of Environmental Engineering reported the results of a study on the occurrence of sodium and chloride in surface streams in central Rhode Island. The following data are chloride concentration y (in milligrams per liter) and roadway area in the watershed x (in percentage). y 4.4 6.6 9.7 10.6 10.8 10.9 11.8 12.1 14.3 14.7 15 17.3 19.2 23.1 27.4 x 0.19 0.15 0.57 0.7 0.67 0.63 0.47 0.7 0.6 0.78 0.81 0.78 0.69 1.3 1.05 a. Find the simple linear regression model. b. Find an estimate of the coefficient of determination. C. Test the significance of the correlation coefficient. d. Find the mean chloride concentration for a watershed that has 1% roadway area. Construct a confidence interval for the estimate Use the editor to format your answer
Transcribed Image Text:An article in the Journal of Environmental Engineering reported the results of a study on the occurrence of sodium and chloride in surface streams in central Rhode Island. The following data are chloride concentration y (in milligrams per liter) and roadway area in the watershed x (in percentage). y 4.4 6.6 9.7 10.6 10.8 10.9 11.8 12.1 14.3 14.7 15 17.3 19.2 23.1 27.4 x 0.19 0.15 0.57 0.7 0.67 0.63 0.47 0.7 0.6 0.78 0.81 0.78 0.69 1.3 1.05 a. Find the simple linear regression model. b. Find an estimate of the coefficient of determination. C. Test the significance of the correlation coefficient. d. Find the mean chloride concentration for a watershed that has 1% roadway area. Construct a confidence interval for the estimate Use the editor to format your answer
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