For five paired observations, ∑x=15\sum x=15∑x=15, ∑y=22\sum y=22∑y=22, ∑x2=55\sum x^2=55∑x2=55, ∑y2=110\sum y^2=110∑y2=110 and ∑xy=76\sum xy=76∑xy=76.
Calculate and interpret the product-moment correlation coefficient.