From the data in Table Al, it appears that x and y have a negative relationship.

a. b. x and y have a positive relationship.

c. there is no relationship between x and y.

d. there is first a negative and then a positive relationship between x and y.

e. there is first a positive and then a negative relationship between x and y. TABLE A1 Year 2004 6.2 143 2005 5.7 156 2006 5.3 162