Datafiles

  • Ballplayer_births Download .TXT file Open in Data Desk ?
  • Methods: Chi Square Tests
  • Source: Unknown
  • Number of Cases: 12
  • Excerpt: It has been suggested that children born in the summer have an advantage over their peers when it comes to sports, perhaps because they can be outdoors when they are young. The data report the number of professional ballplayers born in each month of the year for one season of professional baseball.


  • Barbershop_music Download .TXT file Open in Data Desk ?
  • Methods: Inference
  • Source: Results of a barbershop competition as reported by Velleman
  • Number of Cases: 34
  • Excerpt: At a barbershop music singing competition, choruses are judged on three scales: Music (quality of the arrangement, etc.), Performance, and Singing. The scales are supposed to be independent of each other, and each is scored by a different judge, but a friend claims that he can predict a chorus’s singing score from the other two […]


  • Baseball_2016 Download .TXT file Open in Data Desk ?
  • Methods: Boxplots, Test for Difference between Two Groups
  • Source: http://www.baseball-reference.com/leagues/MLB/2016.shtml
  • Number of Cases: 30
  • Excerpt: Summaries of the performance of each of the major league baseball teams in 2016. Variables include:Games won, Games Lost, Runs peer game, At bats, Runs, Hits, Doubles, Triples, Home runs, Runs batted in, Bases stolen, Time caught stealing, Bases on Balls, Strikeouts, Hits/At Bats, On Base Percentage, Slugging percentage, On base+Slugging, Total bases, Double plays […]


  • Baseball_2019 Download .TXT file Open in Data Desk ?
  • Methods: Boxplots, Comparing Groups, Outliers, Re-expression
  • Source: http://www.baseball-reference.com/leagues/MLB/2019.shtml
  • Number of Cases: 30
  • Excerpt: Summaries of the performance of each of the major league baseball teams in 2019. Variables include: Games won, Games Lost, Runs peer game, At bats, Runs, Hits, Doubles, Triples, Home runs, Runs batted in, Bases stolen, Time caught stealing, Bases on Balls, Strikeouts, Hits/At Bats, On Base Percentage, Slugging percentage, On base+Slugging, Total bases, Double […]


  • Baseball_2024 Download .TXT file Open in Data Desk ?
  • Methods: Data Display, Inference
  • Source: http://www.baseball-reference.com/leagues/MLB/2024.shtml
  • Number of Cases: 30
  • Excerpt: Summaries of the performance of each of the major league baseball teams in 2024. Variables include:Games won, Games Lost, Runs peer game, At bats, Runs, Hits, Doubles, Triples, Home runs, Runs batted in, Bases stolen, Time caught stealing, Bases on Balls, Strikeouts, Hits/At Bats, On Base Percentage, Slugging percentage, On base+Slugging, Total bases, Double plays […]






  • Baseball_salaries_2015 Download .TXT file Open in Data Desk ?
  • Methods: Nonparametric Methods, Regression
  • Source: http://www.baseball-reference.com/leaders/Salary_leagues.shtml
  • Number of Cases: 132
  • Excerpt: Ballplayers have been signing ever larger contracts. The highest salaries (in millions of dollars per season) for each year since 1874 are in the data file.




  • Baseball_salaries_2019 Download .TXT file Open in Data Desk ?
  • Methods: Outliers, Re-expression, Regression, Residuals
  • Source: http://www.baseball-reference.com/leaders/Salary_leagues.shtml sabr.org
  • Number of Cases: 136
  • Excerpt: Ballplayers have been signing ever larger contracts. The highest salaries (in millions of dollars per season) for each year since 1874 are in the data file.


  • Baseball_salaries_2024 Download .TXT file Open in Data Desk ?
  • Methods: Re-expression, Regression, Residuals
  • Source: https://sabr.org/research/article/mlbs-annual-salary-leaders-since-1874/
  • Number of Cases: 141
  • Excerpt: Ballplayers have been signing ever largercontracts. The highest salaries (in millions of dollars perseason) for each year since 1874 are in the data file. Data is missing for some years.