Stat 301: Links to handouts

• 26 Aug:
  • Dot plot of student backgrounds
  • Web folder with plots of rock sampling results
• 31 Aug:
  • SE for Meat averages
  • Kelley (1924) Science paper
• 6 Sept:
  • Distributions of averages and T statistics
  • Comparison of T distributions with different df
• 12 Sept:
  • Scatterplot of paired reading scores
  • Comparison of variability in data and in paired differences
• 14 Sept:
  • Figure from Galton 1886 , first use of "regression", for lecture on 14 Sept.
• 19 Sept:
  • Inference for String players Comparison of confidence interval (for mean brain activity) and prediction interval (for an individual observation).
• 21 Sept:
  • Quality of Life exercise, information and questions
• 5 Oct:
  • Residual plots to practice diagnosing assumptions
    These are simulated data set:
    A: satisfies all assumptions (no LOF, equal variances)
    B: Lack Of Fit, equal variances
    C: no LOF, unequal variances
    D: LOF and unequal variances
    E, F: both satisfy all assumptions
• 10 Oct:
  • Plots of grandfather clock data, for lecture
• 17 Oct:
  • No interaction model (parallel lines) for clock data, for lecture
  • Interaction model (not parallel lines) for clock data, for lecture
• 21, 24 Oct:
  • WHO article on Bradford Hill criteria with a modern update
  • Optional: NY Times article on whether to trust results from a health study
• 24 Oct:
  • My sheet with Bradford-Hill principles. I showed the handwritten version in class; this file is the typed version, with an example of their use.
• 26 Oct:
  • Clocks data with se at selected points to illustrate extrapolation
• 30 Nov:
  • Diesel performance plots, 2 fuel types
• 2 Dec:
  • Diesel performance plots, 3 fuel types
  • Interaction plots with ANOVA tables
• 8 Dec:
  • Moth proportions
  • Moth proportions with fitted lines