(click here for pdf versions of lectures)

Overview

  • Types of distributions: skewed, right-skewed, left-skewed, multi-modal
  • Summary statistics
    • Measures of center: arithmetic mean, median, geometric mean
    • Measures of spread: variance, standard deviation, quantiles,
  • Visualizing Data
    • boxplots
    • scatterplots
    • more!

Distributions

Measures of Center

Measures of Spread

Visualizing relationships