Datafiles

  • Swim_the_lake_2019 Download .TXT file Open in Data Desk ?
  • Methods: Comparing Groups, Outliers, Re-expression, Regression, Residuals
  • Source: http://www.soloswims.com/swims.htm
  • Number of Cases: 65
  • Excerpt: People swim across Lake Ontario from Niagara on the Lake to Toronto–a distance of 52 km (32,3 miles). Because the lake is fresh water, this swim is considered more difficult than ocean swims of similar length because salt water provides more boyancy than fresh water. (For comparison, the English Channel is 21 miles across and, […]


  • Swimming_heats_2016 Download .TXT file Open in Data Desk ?
  • Methods: Comparing Groups, Comparing Two Groups
  • Source: https://www.olympic.org/rio-2016/swimming/200m-freestyle-women
  • Number of Cases: 15
  • Excerpt: Unlike track events, swimming heats are not determined at random. Instead, swimmers are seeded so that better swimmers are placed in later heats. Here are the times (in seconds) for the women’s 400-m freestyle for two heats in the 2016 Olympics.




  • Tablet_computers_2014 Download .TXT file Open in Data Desk ?
  • Methods: Regression
  • Source: https://www.cnet.com/news/cnet-tablet-battery-life-results/
  • Number of Cases: 44
  • Excerpt: Cnet.com tests tablet computers and continuously updates its list. As of January 2014, the list included the battery life (in hours) and luminous intensity (i.e., screen brightness, in cd/m^2).


  • Tablet_computers_2020 Download .TXT file Open in Data Desk ?
  • Methods: Multiple Regression Inference, Regression Inference
  • Source: https://www.cnet.com/news/cnet-tablet-battery-life-results/
  • Number of Cases: 39
  • Excerpt: Cnet.com tests tablet computers and continuously updates its list. As of January 2014, the list included the battery life (in hours) and luminous intensity (i.e., screen brightness, in cd/m^2).




  • Tattoos Download .TXT file Open in Data Desk ?
  • Methods: Chi Square Tests, Conditional Distribution, Contingency Tables, Data Displays, Tables
  • Source: University of Texas Southwestern Medical Center
  • Number of Cases: 626
  • Excerpt: The data give counts of 626 individuals categorized according to their “tattoo status” and their “hepatitis status.” Is there a relationship?




  • TBill_rates_2020 Download .TXT file Open in Data Desk ?
  • Methods: Outliers, Re-expression, Regression, Residuals
  • Source: https://fred.stlouisfed.org/series/TB3MS/downloaddata
  • Number of Cases: 87
  • Excerpt: The data give the federal rate on 3-month Treasury bills from 1950 to 1980 and Years Since 1950. Last updated through year end 2019


  • Tellers Download .TXT file Open in Data Desk ?
  • Methods: Analysis of Variance
  • Source: invented example
  • Number of Cases: 140
  • Excerpt: A bank is studying the time that it takes 6 of its tellers to serve an average customer. Customers line up in the queue and then go to the next available teller. Is there a difference? Can we pick out the best or worst performing teller?


  • Tendon_transfers Download .TXT file Open in Data Desk ?
  • Methods: Boxplots, Comparing Groups, Outliers, Re-expression
  • Source: The Journal of Hand Surgery / Vol. 28A No. 6 November 2003"Prospective Evaluation of Biceps to Triceps and Deltoid to Triceps for Elbow Extension in Tetraplegia,"Mary Jane Mulcahey, MS, Cheryl Lutz, MS, Scott H. Kozin, MD,Randal R. Betz, MD, Philadelphia, PA
  • Number of Cases: 16
  • Excerpt: People with spinal cord injuries may lose function in some, but not all, of their muscles. The ability to push oneself up is particularly important for shifting position when seated and for transferring into and out of wheelchairs. Surgeons compared two operations to restore the ability to push up in children.