Tonight, please complete the "Unit 2: Bivariate Data!" homework provided in class (or below). Some of this reviews the calculator skills we reviewed today, and it also gets into some writing (describe an association, interpret slope, interpret y-intercept)--use those summer notes to help!
Check out some AP Stats Guy videos (listed below) if you need help with the slope and y-intercept stuff (or anything else on this hw)!
If you still have some questions about the regression stuff, or you missed the summer academy, or you need help with tonight's homework, or you just want more review....
- Watch AP Stat Guy Videos to review (or learn for the first time) the AP Summer Academy Regression stuff!
- Go to AP Stats Guy, scroll down to Unit 2, then watch videos 1,2,3,4, and 8.
- Ultimately, here's what we covered in the summer (and thus, what you should know/review):
- Sketch a scatterplot using your calculator
- Identify explanatory/response variables in a scatter plot
- Find r, R^2, and the equation of the least squares regression line, or LSRL, (line of best fit) using your calculator
- Describe an association (notes tomorrow)
- Use the equation of the LSRL to make predictions
- Calculate a residual (actual - predicted)
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