Checkpoint 1

We repeat the Math Pipeline Graph in Figure C1.

Figure C1   The Math Pipeline

1. Identify the horizontal lines in the Math Pipeline Graph that represent `700 text(;)` `20text(,)000 text(;)` `400text(,)000 text(;)` and `5text(,)000text(,)000 text(.)`

2. For each of the five data points, estimate the number of students directly from the graph.