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 + `