• Relationships between two variables
  • correlation as a measure of the strength of linear relationships between two variables.

  
  AP Statistics and Elementary Statistics, 7th edtion by Mario F. Triola

Read to p. 95 and pp 79 -93 (z-scores, Scatterplots, Correlation)

Exercises:

1. p 74; 3.16,3.17.
2. p 76; 3.22, 3.23.
3. p 81; 4.1, 4.2.
4. p 83; 4.4.
5. p 86; 4.5, 4.6.
6. p 90; 4.8
7. p 96; 4.16

E-mail: rdegray@sjc.edu

Guessing Correlations applet;
John Marden, University of Illinois

Text: The Basic Practice of Statistics, David S. Moore; Third Edition, Freeman, 2003