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- What's the central tendency?
- "For instance" is not proof; it is an example
- Mean, Mode, and Median
- Variance
- Interrogating averages: statistics
- Are there extreme scores (outliers)?
- Are there meaningful subgroups ?Who's in the denominator(clusters)?
- What 's the variability (standard deviation)is being measured?
- What are the odds (likelihood) of thatoccurrence?
- What 's is the base rate?
III. Compared to what?
- What 's is the implicit or explicit frame of reference?
- What 's is the unit of measurement?
- Per what?
- What 's is the order of magnitude?
- Interrogating a graph:
- What's the Y-axis? Is it zero-based?
- Does it K.I.S.S. , or is it filled with ChartJunk?
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