relationship between roadway surface temperature (x) and pavement deflection ( y). Summary quantities were n = 20, Ey, = 12.75, Ey = 8.86, Ex, = 1478, Ex} = 143,215.8, and Ex,y; = 1083.67. Calculate the least squares estimates of the slope and intercept. (Round your answer to 3 decimal places) a. 0.329 O b. 0.004 О с. О.132 O d. 0.330

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter4: Equations Of Linear Functions
Section4.6: Regression And Median-fit Lines
Problem 5PPS
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Regression methods were used to analyze the data from a study investigating the
relationship between roadway surface temperature (x) and pavement deflection ( y).
Summary quantities were n = 20, Ey; = 12.75, Ey} = 8.86, Ex;
1478, Ex = 143,215.8, and Ex,y; = 1083.67. Calculate the least squares estimates of the slope
and intercept. (Round your answer to 3 decimal places)
а.
0.329
O b. 0.004
0.132
O d. 0.330
Transcribed Image Text:Regression methods were used to analyze the data from a study investigating the relationship between roadway surface temperature (x) and pavement deflection ( y). Summary quantities were n = 20, Ey; = 12.75, Ey} = 8.86, Ex; 1478, Ex = 143,215.8, and Ex,y; = 1083.67. Calculate the least squares estimates of the slope and intercept. (Round your answer to 3 decimal places) а. 0.329 O b. 0.004 0.132 O d. 0.330
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