HW Due Monday: Page 215: 3, 17 and Page 238: 1, 3, 7
Here's a breakdown of Monday's test:
- Part 1: Matching Vocab
- Interpolation
- Extrapolation
- Underestimate
- Overestimate
- Residual
- Residual Plot
- Actual Value
- Predicted Value
- Scatterplot
- Lurking Variable
- Outlier
- Influential Point
- Leverage
- Residual
- Correlation
- Slope
- Y-Intercept
- Coefficient of Determination
- LSRL
- Explanatory Variable
- Response Variable
- Re-Express Data
- Given a graph and some points (labeled A,B,C,D,E,F), identify the point with...
- Highest/lowest leverage
- Highest/lowest residual
- Highest/lowest x or y value
- Which are outliers?
- Describe 2 (of the 4) goals of re-expression
- Part 2: Short Answer
- Interpret slope (study your last test!)
- Interpret y intercept (study your last test!)
- Interpret coefficient of determination (R^2) (study your last test!)
- Use a model to predict (like our UConn SAT scores example)
- Comment on your confidence in a prediction (extrapolation?)
- Use a re-expressed equation to predict (like #1 in the homework, or like 12-16 from our multiple choice classwork)
Enjoy the weekend! Study! Again!
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