Research reported the results of a study on the occurrence of oxygen and chloride in surface streams in central Washington state area. The following data are chloride concentration y (in milligrams per liter) and roadway area in the watershed x (in percentage) y 19.20 23.10 27.40 27.70 31.80 39.50 X 0.69 1.30 1.05 1.06 1.74 1.62 4.40 6.60 9.70 10.60 10.80 10.90 X 0.19 0.15 0.57 0.70 0.67 0.63 y 11.80 12.10 14.30 14.70 15.00 17.30 X 0.47 0.70 0.60 0.78 0.81 0.78 -✓ Fit the simple linear regression model using the method of least squares ✓ Find an estimate of 2 Estimate the mean chloride concentration for a watershed that has 1% roadway area -✓ Find the fitted value corresponding to x = 0.47 -✓ Find the associated residual Test the hypothesis, with a = 0.01 H₁: B₁ = 0 H₁: B₁0 ✓ Estimate the standard errors in ₁ - Find a 99% prediction interval on chloride concentration when roadway area x = 1.0% A. 10.14 B. 1.6629 C. y = 0.0997 + 0.0414 D. 13.81 E. Fail to reject Ho F. 21.038 G. (9.8201, 32.2559) H.ỹ= 0.470 + 20.567x I. (18.2066, 23.8694) J. Reject Ho K. 2.14169 L. 1.93591
Research reported the results of a study on the occurrence of oxygen and chloride in surface streams in central Washington state area. The following data are chloride concentration y (in milligrams per liter) and roadway area in the watershed x (in percentage) y 19.20 23.10 27.40 27.70 31.80 39.50 X 0.69 1.30 1.05 1.06 1.74 1.62 4.40 6.60 9.70 10.60 10.80 10.90 X 0.19 0.15 0.57 0.70 0.67 0.63 y 11.80 12.10 14.30 14.70 15.00 17.30 X 0.47 0.70 0.60 0.78 0.81 0.78 -✓ Fit the simple linear regression model using the method of least squares ✓ Find an estimate of 2 Estimate the mean chloride concentration for a watershed that has 1% roadway area -✓ Find the fitted value corresponding to x = 0.47 -✓ Find the associated residual Test the hypothesis, with a = 0.01 H₁: B₁ = 0 H₁: B₁0 ✓ Estimate the standard errors in ₁ - Find a 99% prediction interval on chloride concentration when roadway area x = 1.0% A. 10.14 B. 1.6629 C. y = 0.0997 + 0.0414 D. 13.81 E. Fail to reject Ho F. 21.038 G. (9.8201, 32.2559) H.ỹ= 0.470 + 20.567x I. (18.2066, 23.8694) J. Reject Ho K. 2.14169 L. 1.93591
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 2AGP
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