**Learning objective**

- Explore mean, median, coverage intervals, variance, and standard deviation
- Deepen familiarity with basic numerical and graphical R commands

**Before class**

- Finish reading chapter 3, read 4.1-4.5.
- Submit homework assignment Two

**In class**

- Work with simple statistics for one variable data
- Practice with R, computing statistics and making graphs starting with data frames.
- Quiz 1. This week, it’s about R. A study-guide is available here. It’s a pencil and paper quiz, no actual computer needed.

**Daily Schedule|Homework Server|Rstudio**|**Piazza**|Rcommands

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