Unit 2
Descriptive statistics
Part 1: Shapes and Centers of Distribution
Part 2: Describing Variability and Comparing Distributions
Part 3: Categorical Data on Two Variables
Part 4: Numerical Data on Two Variables
- Lesson 1: Distributions and their Shapes
- Lesson 2: Describing the Center of Distribution
- Lesson 3: Estimating Centers and Interpreting the Means as a Balance Point
Part 2: Describing Variability and Comparing Distributions
- Lesson 1: Summarizing Deviations from the Whole
- Lesson 2: Measuring Variability for Symmetrical Distributions
- Lesson 3: Interpreting the Standard Deviation
- Lesson 4: Measuring Variability for Skewed Distributions (interquartile range)
- Lesson 5: Comparing Distributions
Part 3: Categorical Data on Two Variables
- Lesson 1: Summarizing Bivariate Categorical Data
- Lesson 2: Summarizing Bivariate Categorical Data with Relative Frequencies
- Lesson 3: Conditional Relative Frequencies and Association
Part 4: Numerical Data on Two Variables
- Lesson 1: Relationships Between Two Numerical Variables
- Lesson 2: Relationships Between Two Numerical Variables (part 2)
- Lesson 3: Modeling Relationships with a Line
- Lesson 4: Interpreting Residuals from a Line
- Lesson 5: More on Modeling Relationships with a Line
- Lesson 6: Analyzing Residuals
- Lesson 7: Analyzing Residuals (part 2)
- Lesson 8: Interpreting Correlation
- Lesson 9: Analyzing Data Collected on Two Variables