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)
XY
383.8
420
480
552
580
612
660
721
783
1200.5

Using technology, compute the correlation coefficient, r, and determine if there is a correlation between the variables.
A.
r 0.86 ; strong correlation

B.
r -0.86 ; weak correlation

C.
r -0.14 ; weak correlation

D.
r 0.14 ; strong correlation