(08.04A)The tables below show four sets of data:


Set A
x 1 2 3 4 5 6 7 8 9
y 10 9 8 7 6 5 4 3 2

Set B
x 1 2 3 4 5 6 7 8 9
y 3 4 5 6 7 8 9 10 11

Set C
x 1 2 3 4 5 6 7 8 9
y 8 6 5 4 3.5 3 2.5 2 2

Set D
x 1 2 3 4 5 6 7 8 9
y 1 2.5 2.5 3 4 5 6 8 9


For which set of data will the scatter plot represent a positive linear association between x and y?