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Tomorrow in class we'll do some classwork with chapter 9--we'll start with our stamp, then have some AP multiple choice and free-response!
On Friday we'll start class with our chapter 9 vocab quiz! Then we'll answer any lingering homework questions (from last night or tonight), talk a little more about lurking variables, and tie up any other loose ends/answer any other remaining questions. Then we'll cover chapter 10 on Friday/Monday before our unit 2 vocab test next Wednesday and our unit 2 multiple choice/free response test next Thursday!
Have a great Wednesday! See you tomorrow!
Here's your chapter 9 vocab list for Friday's quiz:
- Residual (3 definitions: the vertical distance between a point and the line of best fit, actual - predicted (or y minus y-hat), and measures "how far off" a prediction is--error)
- Interpolation
- Extrapolation
- Outlier
- Influential Point
- Leverage
- Lurking Variable (a variable that creates an apparent association between two variables; this is the reason we cannot determine cause and effect in an observational study)
- Slope
- Y-Intercept
- Coefficient of Determination (R^2)
- Least Squares Regression Line (the line that minimizes the sum of squared residuals)
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