Simple Linear Regression 37
xyFIGUre 2.5 Least Squares Regression Fit for Exponential Functional Relationship
taBLe 2.3 Values of Exponential Relationship between x and y Including Least
Squares Regression Fit, yˆ
x y yˆ0.3577 1.5256 1.4900
1.0211 2.8585 2.8792
3.8935 49.1511 49.8755
4.3369 76.5314 77.4574
4.6251 102.0694 103.1211
5.7976 329.5516 330.3149
5.9306 376.3908 376.9731
7.1745 1305.7005 1296.2346
7.1917 1328.3200 1318.5152
7.5089 1824.2675 1806.7285