For the data below, calculate the correlation coefficient between X and Y. You may use the calculator to find the answer, or you can use the totals provided to aid in the calculation by hand, in which case partial credit can be awarded if an error is made.

	X	Y	X2	Y2	XY
	2	22	4	484	44
	6	15	36	225	90
	10	2	100	4	20
	12	10	144	100	120
	16	6	256	36	96
	18	4	324	16	72
Total	64	59	864	865	442