Datafiles



  • Golf_drives_2019 Download .TXT file Open in Data Desk ?
  • Methods: Confidence Intervals for Means
  • Source: https://www.pgatour.com/content/pgatour/stats/stat.101.y2019.html
  • Number of Cases: 188
  • Excerpt: Average driving distance for the PGA tour players from the entire 2019 season (through the tour championship). “The average number of yards per measured drive. These drives are measured on two holes per round. Care is taken to select two holes which face in opposite directions to counteract the effect of wind. Drives are measured […]






  • Gpa Download .TXT file Open in Data Desk ?
  • Methods:
  • Source: Data collected at Williams College
  • Number of Cases: 200
  • Excerpt: A survey of undergraduate students at Williams college asked a variety of questions. We have 200 respondents.




  • Graduate_Earnings Download .TXT file Open in Data Desk ?
  • Methods: Multiple Regression Inference, Regression, Regression Inference
  • Source: http://new.time.com/money/best-colleges/rankings/best-colleges/
  • Number of Cases: 706
  • Excerpt: Is college worth the expense? Which colleges have graduates who earn the most? And what is the best predictor of earnings 5-years out? The data provide several possible predictors and background information suitable for building regression models.


  • Graphite_production Download .TXT file Open in Data Desk ?
  • Methods: Quality Control
  • Source: invented
  • Number of Cases: 25
  • Excerpt: A graphite manufacturer makes long rolls of flexible graphite to be used to seal components in combustion engines. The specifications state that the mean strength should be 21.2 ounces per square yard with a standard deviation of 0.29. Further specifications state that no roll should have strength less than 20.2 or more than 22.2 ounces […]


  • Grocery_prices Download .TXT file Open in Data Desk ?
  • Methods: Comparing Two Groups
  • Source: unknown
  • Number of Cases: 29
  • Excerpt: WinCo Foods, a large discount grocery retailer in the western United States, promotes itself as the lowest priced grocery retailer. In newspaper ads WinCo Foods published a price comparison for products between WinCo and several competing grocery retailers. One of the retailers compared against WinCo was Walmart, also known as a low price competitor. WinCo […]




  • Hand_dexterity Download .TXT file Open in Data Desk ?
  • Methods: Indicator Variables, Multiple Regression, Outliers, Partial Regression Plots, Re-expression, Regression, Residuals
  • Source: Hand Dexterity in Children: Administration and Normative Values of the Functional Dexterity Test (FDT), Gloria R Gogola, MD, Paul F Velleman, PhD, Shuai Xu, BS, MS, Adrianne M Morse, BA. Barbara Lacy BS, Dorit Aaron, MA OTR CHT FAOTA, J Hand Surg Am. 2013 Dec;38(12):2426-31. doi: 10.1016/jhsa.2013.08.123. Epub 2013 Nov 1
  • Number of Cases: 175
  • Excerpt: Physical therapists measure a patient’s manual dexterity with a simple task. The patient picks up small cylinders from a 4 * 4 frame with one hand, flips them over (still with one hand), and replaces them in the frame. The task is timed for all 16 cylinders. The tool was originally normed for adults. In […]


  • Hand_washing Download .TXT file Open in Data Desk ?
  • Methods: Analysis of Variance
  • Source: Student project
  • Number of Cases: 32
  • Excerpt: A student decided to investigate just how effective washing with soap is in eliminating bacteria. To do this she tested four different methods—washing with water only, washing with regular soap, washing with antibacterial soap (ABS), and spraying hands with antibacterial spray (AS) (containing 65% ethanol as an active ingredient). Her experiment consisted of one experimental […]