Here is a bivariate data set.

x	y
49	27.8
26	-12.2
17.7	-33.7
23.8	-29.1
30.7	0.4
63.7	96.6
41.1	22.9
35.7	12.2
5.2	-91.2
22.1	-37.3
14.5	-43.3
34.6	-2.5
43.2	54.7
50.9	54.3
44.8	24.5
69.3	116.1

Find the correlation coefficient and report it accurate to three decimal places. r =