**Learning objectives**

- Use confidence intervals for model coefficients to acknowledge sampling variation.
- Use confidence intervals for model values to acknowledge sampling variation.
- Use prediction confidence intervals for population values to acknowledge both sampling variation and population variation.

**Before class**

- Begin reviewing for the midterm exam
- Finish the Activity on model quality to turn in at the start of class.
- Read Chapter 12.1-12.6
- Do assignments Twelve and Thirteen on the homework server.
- Post to Piazza

**In class**

**Daily Schedule|Rstudio**|**Piazza**|Rcommands|Intro to Mosaic|Homework Server

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