**Summary of** ** technology skills learned in this lab:**

- Creating numerical and graphical (parallel dotplots or histograms or boxplots) summaries for a quantitative variable.
- Carrying out a "randomization test" simulation to assess the statistical significance of an observed difference in two sample means or two sample medians.

**Summary of statistical skills learned in this lab:**

- Review: Interpreting numerical and graphical summaries of a quantitative variable.
- Interpreting a p-value from a computer simulation of a randomization test for a quantitative response variable.
- Interpreting the confidence interval for the difference in two population means.