Kizspy | Question: 83
(Choose 1 answer)
(See picture)
A. 0.00416 and 0.33
B. 4.160 and 3.299
C. 3.299 and 0.416
D. 0.017 and 0.503
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, \sum y_{i}=12.75, \Sigma y_{i}{}^{2}=8.86, \sum x_{i}=1478 , \Sigma{x_{i}}^{2}=143215.8
\sum x_{i}y_{i}=1083.67
Calculate the least squares estimates of the slope and intercept.