Here is a bivariate data set. X y 44.8 58.8 52.3 64.4 31.4 58.6 61.9 77 34.4 72.7 61.1 79.2 36.6 54.4 41.2 73.3 19.9 67.9 61 87 51.9 72.2 10.6 48.4 38.5 70.1 42.2 64.6 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. 12 =