• What is exploratory data analysis (EDA)
  • Histograms and bar charts
  • Bar chart vs histogram
  • Central tendency and spread
  • Bin width is crucial
  • Right-skewed data
  • Outliers
  • Left-skewed data
  • Bimodal data
  • Separate subpopulations for analysis
  • Individual value plot
  • Subpopulation individual value plots
  • Benefits of boxplots
  • Boxplot
  • Boxplot vs histogram
  • Left-skewed boxplot
  • Compare subpopulations using boxplots
  • Swedish salaries by level of education
  • Measures of central tendency
  • Mean vs median
  • Mean vs median for skewed data
  • Mode
  • Measures of spread
  • Range and IQR
  • Standard deviation
  • Six figure summary
  • Central tendency and spread equations
  • Quantiles
  • Benefits of scatterplots
  • Scatterplot
  • Highlighting subgroups on scatterplot
  • What is correlation?
  • Correlation examples
  • Random data correlation
  • Literacy rate correlation
  • # children per woman correlation
  • Interpreting correlation coefficients
  • Correlation doesn’t imply causation
  • Causation doesn’t imply (linear) correlation