Datafiles

  • Legionnaires_disease Download .TXT file Open in Data Desk ?
  • Methods: Inference
  • Source: Unknown
  • Number of Cases: 8
  • Excerpt: In 1974, the Bellevue-Stratford Hotel in Philadelphia was the scene of an outbreak of what later became known as legionnaires’ disease. The cause of the disease was finally discovered to be bacteria that thrived in the air-conditioning units of the hotel. Owners of the Rip Van Winkle Motel, hearing about the Bellevue-Stratford, replace their air-conditioning […]


  • Libertys_nose Download .TXT file Open in Data Desk ?
  • Methods: Data Display, Summaries
  • Source: Unknown
  • Number of Cases: 18
  • Excerpt: Is the Statue of Liberty’s nose too long? Her nose measures 4′6″, but she is a large statue, after all. Her arm is 42 feet long. That means her arm is 42/4.5 = 9.3 times as long as her nose. Is that a reasonable ratio? The data give arm and nose lengths of 18 girls […]




  • Life_expectancy_US Download .TXT file Open in Data Desk ?
  • Methods: Regression
  • Source: National Vital Statistics Report
  • Number of Cases: 12
  • Excerpt: Here is a table from the National Vital Statistics Report that gives the Life Expectancy for white males in the United States every decade during the 20th century (1 = 1900 to 1910, 2 = 1911 to 1920, etc.). Does a linear model relating life expectancy to decade fit? Would re-expressing either variable help?








  • Load_factors_2017 Download .TXT file Open in Data Desk ?
  • Methods: Boxplots
  • Source: http://www.transtats.bts.gov/Data_Elements.aspx?Data=2
  • Number of Cases: 183
  • Excerpt: The Research and Innovative Technology Administration of the Bureau of Transportation Statistics reports load factors (passenger-miles as a percentage of available seat miles) for commercial airlines for every month from October 2002 through 2017 for both domestic and international flights.


  • Load_Factors_2019 Download .TXT file Open in Data Desk ?
  • Methods: Boxplots, Comparing Groups, Outliers, Re-expression
  • Source: http://www.transtats.bts.gov/Data_Elements.aspx?Data=2
  • Number of Cases: 207
  • Excerpt: The Research and Innovative Technology Administration of the Bureau of Transportation Statistics reports load factors (passenger-miles as a percentage of available seat miles) for commercial airlines for every month from October 2002 through September 2019 for both domestic and international flights.


  • Lobsters_2016 Download .TXT file Open in Data Desk ?
  • Methods: Multiple Regression, Regression
  • Source: https://www.maine.gov/dmr/commercial-fishing/landings/documents/lobster.table.pdf
  • Number of Cases: 67
  • Excerpt: The Maine lobster fishing industry is carefully controlled and licensed, and facts about it have been recorded for more than a century, so it is an important industry that we can examine in detail. The dataset holds annual data


  • Lottery_numbers Download .TXT file Open in Data Desk ?
  • Methods: Chi Square Tests
  • Source: www.nationallottery.co.za
  • Number of Cases: 49
  • Excerpt: The fairness of the South African lottery wa challenged by one of the country’s political parties. The lottery publishes historical statistics at its website (www .nationallottery.co.za). The data give the number of times each number appeared in the lottery and as the “Powerball” number as of June 2007: