- Last time: The average American.
- Today: More of the average!
- Collect Papers
- Return last of five homeworks (graded the tack problem)
- More sneaky sampling (honest answers to embarrassing questions)
- The one-coin method
- What's wrong with the one-coin method?
- What's good about the one-coin method?
- The two-coin method revisited
- What do we mean by biased data? Examples?
- What is the normal curve?
- Measure of central tendency (mean)
- Measure of Spread (standard deviation)
- Plus or minus three standard deviations (68-95-99 rule)
- Example: what correlation means.... How is it related to
bias? (Use those 3-D glasses!)
- How can we lie with measures of central tendency?
- "Mean" problems for the section:
- Next time: Poster prep day
Website maintained by Andy Long.
Comments appreciated.
Updated on 12/05/2003 04:56:40