The following data on sale price, size, and land-to-building ratio for 10 large industrial properties appeared in a paper. property sale price (millions of dollars) size (thousands of sq. ft.) land-to- building ratio 1 10.7 2165 1.9 2 2.7 751 3.5 3 30.5 2423 3.7 4 1.9 225 4.8 5 20.0 3916 1.7 6 8.0 2866 2.4 7 10.0 1697 3.1 8 6.6 1046 4.9 9 5.8 1109 7.5 10 4.6 405 17.3 (a) calculate the value of the correlation coefficient between sale price and size. (give the answer to three decimal places.)