Datafiles

  • Kentucky_Derby_2018 Download .TXT file Open in Data Desk ?
  • Methods: Data Display
  • Source: www.kentuckyderby.ag/kentuckyderby-results.php
  • Number of Cases: 145
  • Excerpt: The Kentucky Derby is a horse race that has been run every year since 1875 at Churchill Downs in Louisville, Kentucky. The race started as a 1.5-mile race, but in 1896, it was shortened to 1.25 miles because experts felt that 3-year-old horses shouldn’t run such a long race that early in the season. (It […]


  • Kentucky_Derby_2020 Download .TXT file Open in Data Desk ?
  • Methods: Boxplots, Center, Comparing Groups, Correlation, Display Quantitative Variable, Models, Outliers, Re-expression, Scatterplot, Shape, Spread, Summaries, Variables
  • Source: www.kentuckyderby.ag/kentuckyderby-results.php
  • Number of Cases: 146
  • Excerpt: The Kentucky Derby is a horse race that has been run every year since 1875 at Churchill Downs in Louisville, Kentucky. The race started as a 1.5-mile race, but in 1896, it was shortened to 1.25 miles because experts felt that 3-year-old horses shouldn’t run such a long race that early in the season. It […]


  • Kentucky_Derby_2024 Download .TXT file Open in Data Desk ?
  • Methods: Data Displays, Display Quantitative Variable
  • Source: www.kentuckyderby.ag/kentuckyderby-results.php
  • Number of Cases: 150
  • Excerpt: The Kentucky Derby is a horse race that has been run every year since 1875 at Churchill Downs in Louisville, Kentucky. The race started as a 1.5-mile race, but in 1896, it was shortened to 1.25 miles because experts thought that 3-year-old horses shouldn’t run such a long race so early in the season. It […]


  • Komtek_Technologies Download .TXT file Open in Data Desk ?
  • Methods: Quality Control
  • Source: This example is based on 1998 case study written by J. Hunt, E. Landry, and J. Rao as part of theBabson College case series. The data and setting used in this example are based on the actual case study, but the data have been modified and the conclusions are fictitious.
  • Number of Cases: 49
  • Excerpt:


  • LA rainfall Download .TXT file Open in Data Desk ?
  • Methods: Regression, Time Series Analysis
  • Source: http://www.laalmanac.com/weather/we13.php
  • Number of Cases: 28
  • Excerpt: The Los Angeles Almanac reports a number of variables about the weather in LA. Among them is the annual rainfall, reported here for 1991-2018. It is worthwhile to look up any outliers.


  • LA_Rainfall_2018 Download .TXT file Open in Data Desk ?
  • Methods:
  • Source: http://www.laalmanac.com/weather/we13.php
  • Number of Cases: 28
  • Excerpt: The Los Angeles Almanac reports a number of variables about the weather in LA. Among them is the annual rainfall, reported here for 1991-2018. It is worthwhile to look up any outliers.


  • Late_arrivals_2016 Download .TXT file Open in Data Desk ?
  • Methods: Confidence Intervals for Means
  • Source: U.S. Bureau of Transportation Statistics
  • Number of Cases: 263
  • Excerpt: The data report the percentage of flights that were late and the percentage that departed on time for each month from 1995 through early 2016


  • 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?