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- What's the central tendency?
- "For instance" is no proof."not proof; it is an example
- Mean, Mode, and Median.
- Standard deviation
- Interrogating averages:
- Are there extreme scores?
- Are there meaningful subgroups?
- Who's in the denominator?
- What's the variability (standard deviation)?
- What are the odds of that? What's the base rate?
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