Real-Life Scenarios
Text Version

(Introduction music)

Image description: Marissa and Khalid are sitting at a desk in a classroom.

Marissa: Khalid, I think we will need two different types of functions for these data sets.

Khalid: How do you know?

Marissa: Well, when I graph the data, one looks fairly linear and the other has a clear curve.  So, let’s make sure to explore many models before deciding on a model of best fit.

Image description: Two graphs appear on the screen. One graph shows a line, and the other shows a curve.

Khalid: Let’s start with the vertical position data.

(Closing music)