On the logarithmic chart, I would connect the bottom made in 2003 with the bottom made in 2008, and draw a parallel line across the high made in 2008. Use that trend channel as a guide.

I think they put their finger on the scale by starting the y-axis of the log chart at 0.1, but I don’t suppose many people actually noticed that. In any case, here are the results: ...

Define characteristics for vertical axis. LOGBASE=10 scales the vertical axis logarithmically, using a base of 10. Each major tick mark represents a power of 10. LOGSTYLE=EXPAND displays minor tick ...

How to plot your graph. A distance/time graph shows time on one axis (x) and distance on the other axis (y). It is important to plot the important information from the problem.