Ten people were chosen at random and surveyed. Their annual incomes (X) and the amounts of their annual charitable giving (Y) are both shown in the table below. Salary (in ten thousands) Charitable Giving (in thousands) X Y 38 3.8 42 0 48 0 55 2 58 0 61 2 66 0 72 1 78 3 120 0.5 Using technology, compute the correlation coefficient, r, and determine if there is a correlation between the variables.