THE NATS 104 Assigned Readings for Lecture 12 include 

Pruitt, N.L., Underwood, L.S. & Surver, W. "BioInquiry" 1st ed., Wiley (1999)
p. 30-46. 

These are available online as PDF files (URL and password have been
announced in class)
Here's what to do
  - Log On
  - Select Our Class (NATS104 section 12-19)
  - Enter the PASSWORD that was given in class