One-variable data
Cases and variables: categorical and quantitative, Displaying and describing distributions, Measures of center: mean and median, Mean and mean absolute deviation (MAD), Reading and interpreting circle graphs, Measures of spread: range, IQR, standard deviation, Outliers and boxplots, Transforming data: effect on center and spread, z-scores and the normal model
Distributions, center, spread, outliers, the normal model
Practice
Lessons, in order
- 1. Cases and variables: categorical and quantitative
- 2. Displaying and describing distributions
- 3. Measures of center: mean and median
- 4. Mean and mean absolute deviation (MAD)
- 5. Reading and interpreting circle graphs
- 6. Measures of spread: range, IQR, standard deviation
- 7. Outliers and boxplots
- 8. Transforming data: effect on center and spread
- 9. z-scores and the normal model