Datafiles

  • Brain wavesDownload .TXT file Open in Data Desk ?
  • Methods: Analysis of Variance, Boxplots, Comparing Two Groups
  • Source: P. Gendreau et al., “Changes in EEG Alpha Frequency and Evoked Response Latency During Solitary Confinement,” Journal of Abnormal Psychology 79 [1972]: 54–59)
  • Number of Cases: 10
  • Excerpt: An experiment was performed to see whether sensory deprivation over an extended period of time has any effect on the alpha-wave patterns produced by the brain. To determine this, 20 subjects, inmates in a Canadian prison, were randomly split into two groups. Members of one group were placed in solitary confinement. Those in the other […]


  • BrakesDownload .TXT file Open in Data Desk ?
  • Methods: Regression
  • Source: unknown
  • Number of Cases: 15
  • Excerpt: Stopping distances in feet for a car tested 3 times at each of 5 speeds. We hope to create a model that predicts Stopping Distance from the Speed of the car.


  • Broadway showsDownload .TXT file Open in Data Desk ?
  • Methods: Multiple Regression
  • Source: https://www.broadwayleague.com/research/statistics-broadway-nyc/
  • Number of Cases: 33
  • Excerpt: In 2016 13.27 million people attended a Broadway show, paying an average of more than $100 per ticket. The Broadway League, Inc. (https://www.broadwayleague.com/research/statistics-broadway-nyc/) provides some historical and current data. These variables are available for each year since the 1984-85 season: Season (The initial year of the season, so the 1984-85 season is 1984.) Gross ($M) […]


  • Burger King itemsDownload .TXT file Open in Data Desk ?
  • Methods: Multiple Regression, Regression
  • Source: https://www.bk.com/pdfs/nutrition.pdf
  • Number of Cases: 122
  • Excerpt: Burger King publishes full nutrition information on its menu. These data are for the foods on the menu recently. (Visit the site listed as the reference for the most current list.)


  • BurgersDownload .TXT file Open in Data Desk ?
  • Methods: Correlation, Regression, Scatterplot
  • Source: unknown
  • Number of Cases: 7
  • Excerpt: Fast food is often considered unhealthy because much of it is high in both fat and sodium. But are the two related? The data give the fat and sodium contents of several brands of burgers.


  • Buy from a friendDownload .TXT file Open in Data Desk ?
  • Methods: Test for Difference between Two Groups
  • Source: J. J. Halpern, “The Transaction Index: A Method for Standardizing Comparisons of Transaction Characteristics Across Different Contexts,” Group Decision and Negotiation, 6: 557–572, 1997
  • Number of Cases: 8
  • Excerpt: A researcher at Cornell University wanted to know how friendship might affect simple sales such as this. She randomly divided subjects into two groups and gave each group descriptions of items they might want to buy. One group was told to imagine buying from a friend whom they expected to see again. The other group […]


  • CA House PricesDownload .TXT file Open in Data Desk ?
  • Methods: Displaying Quantitative Data, Summarizing Quantitative Data
  • Source: Prices sampled from Zillow.com in August 2017.
  • Number of Cases: 28
  • Excerpt: Home prices in two neighborhoods near San Francisco. Palo Alto is an older neighborhood and Foster City, a newer one. How do prices compare?




  • Candy barsDownload .TXT file Open in Data Desk ?
  • Methods: Multiple Regression
  • 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 […]