Datafiles

  • Down_the_Drain Download .TXT file Open in Data Desk ?
  • Methods: Correlation, Re-expression, Regression
  • Source: Classical calculus exercise
  • Number of Cases: 7
  • Excerpt: Most water tanks have a drain plug so that the tank may be emptied when it’s to be moved or repaired. How long it takes a certain size of tank to drain depends on the size of the plug, as shown in the table.


  • Drug_abuse Download .TXT file Open in Data Desk ?
  • Methods: Correlation, R-squared, Re-expression, Regression, Residuals, Scatterplot
  • Source: unknown
  • Number of Cases: 11
  • Excerpt: A survey was conducted in the United States and 10 countries of Western Europe to determine the percentage of teenagers who had used marijuana and other drugs. The data give percentages of drug use by country.










  • F-stops Download .TXT file Open in Data Desk ?
  • Methods: Correlation, Re-expression, Scatterplot
  • Source: http://garsteckphotography.blogspot.com/2011/04/using-manual-settings-must-know.html
  • Number of Cases: 8
  • Excerpt: Some camera lenses have an adjustable aperture, the hole that lets the light in. The size of the aperture is expressed in a mysterious number called the f/stop. Each increase of one f/stop number corresponds to a halving of the light that is allowed to come through. When you halve the shutter speed, you cut […]




  • Flights_2016 Download .TXT file Open in Data Desk ?
  • Methods: Correlation, Regression, Scatterplot
  • Source: http://www.transtats.bts.gov/Data_Elements.aspx?Data=2
  • Number of Cases: 17
  • Excerpt: The data give the number of domestic U.S. flights flown in each year from 2000 to 2016


  • Football_salaries_2017 Download .TXT file Open in Data Desk ?
  • Methods: Correlation, Regression, Scatterplot
  • Source: Football owners are constantlyin competition for good players. The more wins, the more likely that the team will provide good business returns for the owners. The resources that each of the 32 teams has in the National Football League (NFL) vary, but the draft system is designed to counteract the advantages that wealthier teams may have.
  • Number of Cases: 32
  • Excerpt: http://www.spotrac.com/nfl/cap/ (salaries) http://www.espn.com/nfl/standings/_/season/2016 (wins)


  • Framingham Download .TXT file Open in Data Desk ?
  • Methods: Boxplots, Comparing Groups, Confidence Intervals for Means, Correlation, Hypothesis Tests, Hypothesis Tests for Means, Multiple Regression Inference, Outliers, Re-expression, Regression, Regression Inference, Scatterplot, Test for Difference between Two Groups
  • Source: "Statistical Methods in Epidemiology" by H.A.Kahn and C.T.Sempos
  • Number of Cases: 1406
  • Excerpt: The Framingham Heart Study is one of the longest running health studies. It has followed original subjects, their children, and their grand children, looking for factors that affect cardiac health. These data only include subjects whose cholesterol was measured in the first exam. Source: “Statistical Methods in Epidemiology” by H.A.Kahn and C.T.Sempos SBP: Systolic blood […]


  • Fuel_economy Download .TXT file Open in Data Desk ?
  • Methods: Correlation, Displaying Quantitative Data, Multiple Regression Inference, Regression, Regression Inference, Scatterplot, Summarizing Quantitative Data
  • Source: https://www.fueleconomy.gov/feg/download.shtml
  • Number of Cases: 50
  • Excerpt: