Datafiles



  • Antidepressants Download .TXT file Open in Data Desk ?
  • Methods: Correlation, Re-expression, Scatterplot
  • Source: unknown
  • Number of Cases: 19
  • Excerpt: A study compared the effectiveness of several antidepressants by examining the experiments in which they had passed the FDA requirements. Each of those experiments compared the active drug with a placebo, an inert pill given to some of the subjects. In each experiment some patients treated with the placebo had improved, a phenomenon called the […]


  • Attendance_2016 Download .TXT file Open in Data Desk ?
  • Methods: Multiple Regression, Correlation, Regression, Test for Difference between Two Groups, Comparing Two Groups, Scatterplot
  • Source: Attendance from http://www.espn.com/mlb/attendance Won and Lost totals from http://www.baseball-reference.com/leagues/MLB/2016.shtml
  • Number of Cases: 30
  • Excerpt: American League baseball games areplayed under the designated hitter rule, meaning that pitchers, often weak hitters, do not come to bat. Baseball owners believe that the designated hitter rule means more runs scored, which in turn means higher attendance. Is there evidence that more fans attend games if the teams score more runs? The data […]




  • Bookstore_sales Download .TXT file Open in Data Desk ?
  • Methods: Correlation, R-squared, Re-expression, Regression, Residuals, Scatterplot
  • Source: invented example
  • Number of Cases: 10
  • Excerpt: Number of sales people working in a bookstore and sales (in $1000) that day. These are realistic but invented data.


  • Burgers Download .TXT file Open in Data Desk ?
  • Methods: Correlation, R-squared, Re-expression, Regression, Residuals, Scatterplot
  • Source: unknown
  • Number of Cases: 7
  • Excerpt: Fast food is often considered unhealthy because muchof 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.




  • 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.




  • CEO_Compensation_2018 Download .TXT file Open in Data Desk ?
  • Methods: Boxplots, Comparing Groups, Confidence Intervals for Means, Correlation, Normal model, Outliers, Re-expression, Scatterplot, Standard Deviation, Summarizing Quantitative Data
  • Source: https://aflcio.org/paywatch/company-pay-ratios
  • Number of Cases: 480
  • Excerpt: Beginning in 2017, public companies have been required to disclose the ratio of CEO pay to median worker pay.This is the 2018/9 data from the AFL/CIO for S&P 500


  • Chips Download .TXT file Open in Data Desk ?
  • Methods: Correlation, Re-expression, Regression
  • Source: invented example
  • Number of Cases: 15
  • Excerpt: A start-up company has developed an improved electronicchip for use in laboratory equipment. The company needs to project the manufacturing cost, so it develops a spreadsheet model that takes into account the purchase of production equipment, overhead, raw materials, depreciation, maintenance, and other business costs. The spreadsheet estimates the cost of producing 10,000 to 200,000 […]


  • Coasters_2015 Download .TXT file Open in Data Desk ?
  • Methods: Boxplots, Comparing Groups, Correlation, Multiple Regression, Multiple Regression Inference, Outliers, R-squared, Re-expression, Regression, Regression Inference, Residuals, Scatterplot
  • Source: rcdb.com select columns with: http://rcdb.com/r.htm?ot=2&op=2015&column=1,4,19,20,21,22,23,24,27,28 http://rcdb.com/r.htm?column=1,4,13,14,19,20,21,22,23,24,27,28&ot=2&nm=na&st=93&op=2015&ex=1&page=1
  • Number of Cases: 241
  • Excerpt: The website rcdb.com, the Roller Coaster Database, holds facts about every roller coaster in the world, current or past. (If you know of one that is missing, please let the site master know.) These data are for recently opened coasters, most of which are still in operation.