A line of best fit is given as y = 2.54x - 14.75. The point (10, 9) is part of the data. Describe the residual in terms of the line of best fit.
a) Positive because it is above the line of best fit
b) Negative because it is below the line of best fit
c) Positive because it is right of the line of best fit
d) Negative because it is left of the line of best fit