Datafiles









  • Summer_Olympics_2016 Download .TXT file Open in Data Desk ?
  • Methods: Center, Data Display, Display Quantitative Variable, Shape, Spread, Summaries
  • Source: https://www.google.com/search?client=safari&rls=en&q=olympic+medals+by+country+2016&spell=1&sa=X&ved=0ahUKEwjAwPXqgNvOAhWFHB4KHcxYDF8QvwUIGygA&biw=1370&bih=902
  • Number of Cases: 59
  • Excerpt: Fifty nine countries won gold medals in the 2016 Summer Olympics. The dataset lists them, along with the total number of gold medals each won. It can be a challenge to find a good display for data like these.




  • Sugar_in_cereal Download .TXT file Open in Data Desk ?
  • Methods: Boxplots, Comparing Groups, Outliers, Re-expression, Test for Difference between Two Groups
  • Source: unknown
  • Number of Cases: 28
  • Excerpt: Sugar is a major ingredient in many breakfast cereals. The data gives the sugar content as a percentage of weight for 49 brands of cereal. Data were collected from nutrition labels in a supermarket.


  • Student_testing Download .TXT file Open in Data Desk ?
  • Methods: Nonparametric Methods, Quality Control
  • Source: invented
  • Number of Cases: 20
  • Excerpt: Researchers randomly assigned subjects to take one of two tests (form A or form B) either electronically or with pencil and paper. Subjects then took the other test using the other method. The two forms had been designed to be equivalent in difficulty, but nevertheless, that equivalence was checked as part of the experiment. Our […]


  • Student_survey Download .TXT file Open in Data Desk ?
  • Methods: Center, Conditional Distribution, Confidence Intervals for Means, Contingency Tables, Data Display, Display Quantitative Variable, Hypothesis Tests, Hypothesis Tests for Means, Shape, Spread, Summaries, Tables
  • Source: De Veaux personal data
  • Number of Cases: 299
  • Excerpt: The dataset contains data from a class survey. All responses are self-reported.


  • Strikes Download .TXT file Open in Data Desk ?
  • Methods: Blocking, Paired Data, Regression
  • Source: unknown
  • Number of Cases: 20
  • Excerpt: Advertisements for an instructional video claim that the techniques will improve the ability of Little League pitchers to throw strikes and that, after undergoing the training, players will be able to throw strikes on at least 60% of their pitches. To test this claim, we have 20 Little Leaguers throw 50 pitches each, and we […]


  • Streams Download .TXT file Open in Data Desk ?
  • Methods: Comparing Groups, Correlation, Data Display, Multiple Regression Inference, Re-expression, Regression, Regression Inference, Scatterplot, Summaries, Test for Difference between Two Groups
  • Source: unknown
  • Number of Cases: 172
  • Excerpt: As part of the course work, a class at an upstate NY college collects data on streams each year. Students record a number of biological, chemical, and physical variables, including the stream name, the substrate of the stream (limestone (L), shale (S), or mixed (M)), the pH, the temperature (C), and the BCI, a measure […]


  • Storks Download .TXT file Open in Data Desk ?
  • Methods: Correlation, Re-expression, Scatterplot
  • Source: Statistics for Experimenters, by Box, Hunter and Hunter.Originally from Ornithologische Monatsberichte,44, no. 2)
  • Number of Cases: 7
  • Excerpt: The number of storks in Oldenburg, Germany, plotted against the population of the town for 7 years in the 1930s. Do storks bring babies?