Datafiles

  • Wildfires_2015 Download .TXT file Open in Data Desk ?
  • Methods: R-squared, Regression, Residuals
  • Source: https://www.nifc.gov/fireInfo/fireInfo_stats_totalFires.html
  • Number of Cases: 31
  • Excerpt: The National Interagency Fire Center reports statistics about wildfires. They report data from 1960, but the years 1960-1984 are so different from subsequent years that they can’t be analyzed together. These data are for 1985-2015. Is there a pattern over time? What is the relationship between the number of fires and the acres affected? Are […]


  • Wild_horses Download .TXT file Open in Data Desk ?
  • Methods: Inference
  • Source: unknown
  • Number of Cases: 38
  • Excerpt: Large herds of wild horses can become a problem on some federal lands in the West. Researchers hoping to improve the management of these herds collected data to see if they could predict the number of foals that would be born based on the size of the current herd.


  • Whole_Foods_2016 Download .TXT file Open in Data Desk ?
  • Methods: Time Series Analysis
  • Source: Whole Foods Markets annual reports
  • Number of Cases: 88
  • Excerpt: Quarterly sales of Whole Foods Markets from 1995 through 2016. Whole Foods was purchased by Amazon in 2017, so 2016 is the final complete year prior to the merger. The data show a strong seasonal component even though food sales should not be seasonal.


  • White_House_staff_salaries Download .TXT file Open in Data Desk ?
  • Methods: Paired Data
  • Source: https://www.whitehouse.gov/wp-content/uploads/2020/06/July-1-2020-Report-FINAL.pdf https://obamawhitehouse.archives.gov/briefing-room/disclosures/annual-records/2016
  • Number of Cases: 14
  • Excerpt: Every year, the White House produces a list of staff employees and their annual pay. The boxplot below compares the pay between 200 randomly selected staff employees in 2016 to 200 randomly selected staff employees in 2020.


  • Wheelchair_Marathon_2020 Download .TXT file Open in Data Desk ?
  • Methods: Paired Data
  • Source: https://en.wikipedia.org/wiki/List_of_winners_of_the_Boston_Marathon
  • Number of Cases: 44
  • Excerpt: The Boston Marathon has had a wheelchair division since 1977 (2020 race not held due to COVID-19). Who do you think is typically faster, the men’s marathon winner on foot or the women’s wheelchair marathon winner? Because the conditions differ from year to year, and speeds have improved over the years, it seems best to […]


  • Wheelchair_Marathon_2016 Download .TXT file Open in Data Desk ?
  • Methods: Blocking, Paired Data
  • Source: https://en.wikipedia.org/wiki/List_of_winners_of_the_Boston_Marathon
  • Number of Cases: 40
  • Excerpt: The Boston Marathon hashad a wheelchair division since 1977. Who do you think is typically faster, the men’s marathon winner on foot or the women’s wheelchair marathon winner? Because the conditions differ from year to year, and speeds have improved over the years, it seems best to treat these as paired measurements. Here are summary […]


  • Weightlifting_2020 Download .TXT file Open in Data Desk ?
  • Methods: Outliers, Re-expression, Regression, Residuals
  • Source: https://en.wikipedia.org/wiki/List_of_Olympic_records_in_weightlifting
  • Number of Cases: 8
  • Excerpt: The world men’s weightlifting records are categorized by weight class of the competitors. How does the weight class relate to the record?


  • Weightlifting_2016 Download .TXT file Open in Data Desk ?
  • Methods: Regression
  • Source: https://en.wikipedia.org/wiki/List_of_Olympic_records_in_weightlifting
  • Number of Cases: 8
  • Excerpt: The world men’s weightlifting records are categorized by weight class of the competitors. How does the weight class relate to the record?




  • Wealth_Redistribution Download .TXT file Open in Data Desk ?
  • Methods:
  • Source: http://www.gallup.com/poll/182987/americans-continue-say-wealth-distribution-unfair.aspx
  • Number of Cases: 3045
  • Excerpt: Gallup Poll of 1015 U.S. adults on April 9 – 12, 2015. Respondents were classified as high income (over $75,000), middle income ($30k–$75k), or low income (less than $30k). Those polled were asked for their views on redistributing U.S. wealth by heavily taxing the rich. Counts are reconstructed from percentages published by Gallup.




  • Watch_the_Super_bowl Download .TXT file Open in Data Desk ?
  • Methods: Conditional Distribution, Contingency Tables, Tables
  • Source: gallup.com
  • Number of Cases: 1008
  • Excerpt: The Gallup poll asked 1008 Americans age 18 and over whether they planned to watch the upcoming Super Bowl. The pollster also asked those who planned to watch whether they were looking forward more to seeing the football game or the commercials.