Annual high temperatures in a certain location have been tracked for several years. Let � represent the year and � the high temperature. Based on the data shown below, calculate the correlation coefficient (to three decimal places) between � and �. Use your calculator!

x y
1 17.17
2 22.14
3 24.61
4 24.98
5 25.95
6 32.02
7 32.69
8 36.56
9 37.33
10 40.6
11 42.67
12 45.04
13 48.01
14 51.98


�=