Annual high temperatures in a certain location have been tracked for several years. Let $\displaystyle {X}$ represent the year and $\displaystyle {Y}$ the high temperature. Based on the data shown below, calculate the regression line (each value to two decimal places).

y = x +

x	y
2	3.6
3	5.2
4	6.6
5	4.6
6	5.6
7	6.1
8	4.4
9	5.2
10	8.2
11	7.5
12	8.1