Annual high temperatures in a certain location have been tracked for several years. Let XX represent the year and YY the high temperature. Based on the data shown below, calculate the regression line (each value to at least two decimal places). y^= + x

x	y
3	43.82
4	39.58
5	38.74
6	34.4
7	32.86
8	33.52
9	29.38
10	28.34
11	26.7
12	22.16
13	21.02
14	18.28
15	18.04
16	17.4