Using the data in the chart, which of the following would be a correct analysis?

X values: 1, 3, 6, 9, 12, 15

Y values: 15, 12, 9, 6, 3, 1

a. The data represents an inverse relationship
b. The data represents a direct relationship
c. The data is scattered and no relationship can be determined
d. The data represents both a direct and indirect relationship