If you missed the review day (Th/F, Oct 18/19), here is the rundown:

First, here is the **test review**, due on the day of your exam (scheduled for M/Tu, Oct 22/23):

- Review Unit IV (Scatterplots & Regressions) [due M/Tu, Oct 22/23]
*(answers are at the end)*

Also, there some **very brief notes** on the effect of outliers on the slope of the regression line and the correlation coefficient:

Finally, here is the **one practice problem** that we worked in groups:

- Worksheet - Gesell Scores vs Age at First Spoken Word
*(check answers with us in tutorials if necessary)*