Based on the data shown below, calculate the correlation coefficient and the equation of the least squares line. Round all numerical values to three decimal places as needed.

x y
1 14.15
2 13.4
3 11.65
4 10.8
5 7.35
6 9.8
7 6.75
8 7.8
9 4.85
10 5.6


(a) What is the correlation coefficient?
`r =`


(b) What is the equation of the least squares line?
`y =`
`x + `