Data Sources

The datasets used in this course pack come from the following sources. We gratefully acknowledge the original authors and data collectors.

Lock5Data R Package (GPL-2)

The following datasets are from the Lock5Data R package, which accompanies Statistics: Unlocking the Power of Data by Lock, Lock, Lock, Lock, and Lock (Wiley). The Lock5Data package is distributed under the GPL-2 license.

  • CAOSExam.csv — Pre-test and post-test scores from a Comprehensive Assessment of Outcomes in Statistics (CAOS) exam. 10 students, 3 variables.
  • FloridaLakes.csv — Water quality measurements from 53 Florida lakes. Original source: Lange, Royals, and Connor (1993), Journal of Environmental Quality.
  • PulseRates.csv — Resting pulse rates for 10 students before and after exercise.
  • SleepStudy.csv — Sleep habits and academic performance for 253 college students. Original source: Onyper, Thacher, Gilbert, and Gradess (2012), Teaching of Psychology.
  • USStates.csv — State-level data (50 US states) compiled from US government sources including the Census Bureau and Bureau of Labor Statistics.

R Packages (GPL-2+)

  • Baumann.csv — Reading comprehension scores from a study comparing three teaching methods (Basal, DRTA, Strat). 66 observations. From the carData R package (GPL-2+). Original source: Baumann and Jones (1992).
  • InsectSprays.csv — Insect counts for six different spray treatments. 72 observations. Built-in R dataset (GPL-2/3). Original source: Beall (1942).
  • cherryblossom.csv - Race results of the Cherry Blossom Run, which is an annual road race that takes place in Washington, DC. From the cherryblossom R package.

openintro

  • loan50.csv - This dataset represents thousands of loans made through the Lending Club platform, which is a platform that allows individuals to lend to other individuals.
  • mammals.csv - This dataset includes data for 39 species of mammals distributed over 13 orders.
  • migrane.csv - Experiment involving acupuncture and sham acupuncture (as placebo) in the treatment of migraines.
  • fastfood.csv - Nutrition amounts in 515 fast food items.
  • penny_ages.csv - Sample of 648 pennies and their ages taken in 2004.
  • possum.csv - Data representing possums in Australia and New Guinea.

Public Domain / Custom

  • HollywoodMovies2023.csv — Opening weekend revenue and world gross for six 2023 Hollywood films. Created for this course pack from publicly available box office data (Box Office Mojo).

  • MastersWinners.csv — Winning scores at the Masters Tournament (1934–2024). 87 observations. Compiled from public tournament records.

  • NBASalaries2022.csv — NBA player salaries for the 2022–23 season. 467 observations. Synthetic data generated to match the published salary distribution.

  • Salaries.csv — Monthly sales figures (in dollars) for 15 salespeople under three pay structures (Commission, Fixed Salary, Commission Plus Salary). Synthetic data created for this course pack to illustrate one-way ANOVA and post-hoc comparisons.