The graph shown is a scatter plot: A scatter plot is shown with the values on the x-axis in increasing units of 1 and the y-axis in increasing units of 10. The data moves in an upward cluster.
Point A has coordinates 8 and 70.
Point B has coordinates 1 and 20,
point C has coordinates 3 and 40,
point D has coordinates 7 and 30.
Additional points are located at 2 and 10, 2 and 20, 3 and 30, 5 and 50, 5 and 40, 7 and 70, 7 and 60.
Which point on the scatter plot is an outlier? (4 points)

a
Point A

b
Point B

c
Point C

d
Point D