Data points are the points on the curve or line of a graph.
The number of data points is three
From the graph, we have the following points: A, B, C, X and Y
Points A, B and C are on the possibility curve, while points X and Y are not on the possibility curve
This means that: the number of points on the possibility curve is 3.
Hence, the number of data points that illustrate the proper allocation of resources is (a) three
Read more about possibility curves at:
https://brainly.com/question/16762233
