Datafiles





  • Car_origins Download .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_speeds Download .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_100 Download .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.)






  • Cars Download .TXT file Open in Data Desk ?
  • Methods: Analysis of Variance, Correlation, Experiment Design, Re-expression, Regression
  • Source: Henderson and Velleman. (1981). "Building Regression ModelsInteractively". Biometrics 37, 400. Data originally collected from Consumer Reports.
  • Number of Cases: 38
  • Excerpt: Measurements on 38 1978-79 model automobiles. Gas mileage in miles per gallon as measured by Consumers’ Union on a test track. Other values as reported by automobile manufacturer. Used to illustrate regression model building and diagnosis. Be sure to check the residuals when predicting MPG.




  • Case-Shiller_by_city Download .TXT file Open in Data Desk ?
  • Methods: Displaying Quantitative Data, Summarizing Quantitative Data
  • Source: unknown
  • Number of Cases: 311
  • Excerpt: The S&P/Case-Shiller Home Price Indices track changes in the value of residential real estate nationally and in 20 metropolitan regions. (Some of these indices are actually traded on the Chicago Mercantile Exchange.) The data set Case-Shiller by City gives the monthly index values for each of the 20 cities tracked by the Case-Shiller index and […]