After completing this module, you should be able to ...

- Compute measures of center (mean and median) by hand and with R.
- Compute mesures of dispersion (standard deviation, IQR, and range) by hand and with R.
- Construct a histogram.
- Construct a boxplot.

## Preparation for Class

Use the materials below to answer the questions on this preparation guide.

- Reading
- Video: Calculate Median – A [2 mins], B [5 mins],
**or**C [3 mins] - Video: Calculate IQR – A [3 mins]
**or**B [9 mins] - Video: Calculate Standard Deviation – A [5 mins]
**or**B [13 mins] - Video: Construct a Histogram [13 mins]
- Video: Univariate EDA (Quantitative) in R [4 mins]