3.1 Learning Objectives

After completing this lab, you will be able to be able to calculate the following descriptive statistics in R Commander and SPSS:

• Mean
• Median
• Standard deviation
• Mode (SPSS only)
• Range (SPSS only)
• Variance (SPSS only)

This lab will require you to load data into R Commander and SPSS. You can review this skill in the videos on R Commander basics (beginning at 3:32) and SPSS basics (beginning at 0:48).

You can download the dataset we will be using in this lab here. In R Commander, you can load the States dataset directly from the carData package. For further information about the dataset and variables, refer to the documentation.