Running to Conclusions
The following is a plot of world record times for the mile.
In the late 1940s and early 1950s, a hot topic in track and field was when someone would be the first person to run a sub (below) 4 minute mile.
From looking at the graph, think about the following questions:
Let's see what this might look like. To see the plot, click on Straight-Line Graph of Mile Record Holders.