Datafiles

  • California_wildfires_sizeDownload .TXT file Open in Data Desk ?
  • Methods: Data Display, Summaries
  • Source: https://www.fire.ca.gov
  • Number of Cases: 1636
  • Excerpt: Cal Fire (https://www.fire.ca.gov) keeps a record of wildfires in California. The data hold information about each fire between 2013 and 2019 including the number of acres burned.




  • CandyDownload .TXT file Open in Data Desk ?
  • Methods: Multiple Regression Inference, Regression Inference
  • Source: FiveThirtyEight.com
  • Number of Cases: 85
  • Excerpt: The internet site Fivethirtyeight.com conducted an online survey of Halloween candies. Respondents were asked to rate which candy they prefer out of a random pairing of 2 candies selected from a full list of 85. About 269 thousand candy matchups were presented to respondents spanning 8,371 unique IP addresses. From these matchups, an ultimate preference […]


  • Candy_barsDownload .TXT file Open in Data Desk ?
  • Methods: Indicator Variables, Multiple Regression, Partial Regression Plots
  • Source: data collected by a student reading nutrition labels
  • Number of Cases: 30
  • Excerpt: The dataset holds facts about candy bars read from their nutrition labels. The data are a good example for multiple regression (e.g. what contributes to the calories of a candy bar?). For such an analysis, the indicator variable for nuts appears to work well. Note that 5 sugar-free candy bars are marked as NA in […]






  • Car_originsDownload .TXT file Open in Data Desk ?
  • Methods: Chi Square Tests
  • Source: Unknown
  • Number of Cases: 359
  • Excerpt: A random survey of autos parked in the student parking lot and in the staff lot at a large university classified the brands by country of origin. Are there differences in the national origins of cars driven by students and staff?




  • Car_speedsDownload .TXT file Open in Data Desk ?
  • Methods: Boxplots, Comparing Groups, Outliers, Re-expression, Test for Difference between Two Groups
  • Source: Website no longer activeCollected by John Beale, engineering student at Stanford
  • Number of Cases: 500
  • Excerpt:


  • Car_speeds_100Download .TXT file Open in Data Desk ?
  • Methods: Normal Probability Plots, Normal model, Standard Deviation
  • Source: Website no longer activeCollected by John Beale, engineering student at Stanford
  • Number of Cases: 100
  • Excerpt: John Beale of Stanford, California, recorded the speeds of cars driving past his house, where the speed limit read 20 mph (He actually recorded every car for a two-month period. These are 100 representative readings.)