Here is a bivariate data set.

x	y
23.6	65.4
27.4	18.7
40.6	67.4
26.5	42.1
20.7	84.5
35.3	59.2
11.2	71.4
19.3	44.2
25.2	52.1
35.3	48

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

What proportion of the variation in y can be explained by the variation in the values of x? Report answer as a percentage accurate to one decimal place.
r² = %