Datafiles

  • Election_2016 Download .TXT file Open in Data Desk ?
  • Methods: Comparing Groups, Correlation, Indicator Variables, Multiple Regression, Outliers, Partial Regression Plots, R-squared, Re-expression, Regression, Residuals, Scatterplot
  • Source: unknown
  • Number of Cases: 3112
  • Excerpt:






  • ERP_Effectiveness Download .TXT file Open in Data Desk ?
  • Methods: Nonparametric Methods, Comparing Two Groups
  • Source: unknown
  • Number of Cases: 8
  • Excerpt: When implementing a packaged Enterprise Resource Planning (ERP) system, many companies report that the module they first install is Financial Accounting. Among the measures used to gauge the effectiveness of their ERP system implementation is acceleration of the financial close process. The data hold a sample of 8 companies that report their average time (in […]








  • Exam_time Download .TXT file Open in Data Desk ?
  • Methods: Hypothesis Tests
  • Source: invented data
  • Number of Cases: 20
  • Excerpt: The instructor of a large math class estimates that at the intended level of difficulty, his undergraduate midterm exams require on average 10 minutes for graduate students in his department to complete. If the average is longer than 10 minutes, then the exam is likely too hard and needs to be revised. As usual, the […]


  • Exercise_equipment Download .TXT file Open in Data Desk ?
  • Methods: Comparing Two Groups
  • Source: Medicine and Science in Sports and Exercise, 2001
  • Number of Cases: 24
  • Excerpt: A leading manufacturer of exercise equipment wanted to collect data on the effectiveness of their equipment. An August 2001 article in the journal Medicine and Science in Sports and Exercise compared how long it would take men and women to burn 200 calories during light or heavy workouts on various kinds of exercise equipment. The […]


  • Exoplanets Download .TXT file Open in Data Desk ?
  • Methods: Re-expression
  • Source: https://en.wikipedia.org/wiki/List_of_potentially_habitable_exoplanets
  • Number of Cases: 72
  • Excerpt: This is a list of exoplanets within the circumstellar habitable zone that are either under 10 Earth masses or smaller than 2.5 Earth radii, and thus have a chance of being rocky.[3][1] Note that inclusion on this list does not guarantee habitability, and in particular the larger planets are more unlikely to have a rocky […]


  • Exoplanets_2025 Download .TXT file Open in Data Desk ?
  • Methods: Re-expression
  • Source: https://en.wikipedia.org/wiki/List_of_potentially_habitable_exoplanets
  • Number of Cases: 72
  • Excerpt: Currently identified exoplanets within the circumstellar habitable zone that are either under 10 Earth masses or smaller than 2.5 Earth radii, and thus have a chance of being rocky.[3][1] Note that inclusion on this list does not guarantee habitability, and in particular the larger planets are more unlikely to have a rocky composition.[4] Earth is […]