Datafiles

  • E-mails Download .TXT file Open in Data Desk ?
  • Methods: Center, Data Display, Display Quantitative Variable, Shape, Spread, Summaries
  • Source: Velleman personal communication
  • Number of Cases: 155
  • Excerpt: A university teacher saved every e-mail receive from students in a large introductory statistics class during one term. He then counted, for each student who had sent him at least one e-mail, how many e-mails each student had sent. What is the distribution of e-mail communications?




  • Education_and_mortality Download .TXT file Open in Data Desk ?
  • Methods: Multiple Regression Inference, Regression, Regression Inference
  • Source: Unknown
  • Number of Cases: 58
  • Excerpt: Data give the mortality rate (deaths per 100,000 people) and the education level (average number of years in school) for 58 U.S. cities.




  • Eggs Download .TXT file Open in Data Desk ?
  • Methods: Analysis of Variance
  • Source: student project
  • Number of Cases: 8
  • Excerpt: A student wants to investigate the effects of real vs. substitute eggs on his favorite brownie recipe. He enlists the help of 10 friends and asks them to rank each of 8 batches on a scale from 1 to 10. Four of the batches were made with real eggs, four with substitute eggs. The judges […]


  • Egyptians Download .TXT file Open in Data Desk ?
  • Methods: Comparing Groups, Test for Difference between Two Groups
  • Source: A.Thomson and R.Randall-Maciver, Ancient Races of the Thebaid, Oxford: Oxford University Press, 1905
  • Number of Cases: 30
  • Excerpt:




  • Election Download .TXT file Open in Data Desk ?
  • Methods: Correlation, Outliers, R-squared, Re-expression, Regression, Residuals, Scatterplot
  • Source: https://electionlab.mit.edu/data
  • Number of Cases: 3111
  • Excerpt: County-level voting results from the 2012 and 2016 United States elections and demographic information curated by the MIT Election and Science lab (https://electionlab.mit.edu/data).


  • Election_2000 Download .TXT file Open in Data Desk ?
  • Methods: Outliers, Re-expression, Regression, Residuals
  • Source: http://www.american.edu/spa/ccps/Data-Sets.cfm
  • Number of Cases: 67
  • Excerpt: The outcome of the 2000 U.S. presidential election was determined in Florida amid much controversy. Even years later, historians continue to debate who really received the most votes. The main race was between George W. Bush and Al Gore, but two minor candidates played a significant role. To the political right of the major party […]


  • Election_2016 Download .TXT file Open in Data Desk ?
  • Methods: Comparing Groups, Correlation, Indicator Variables, Multiple Regression, Outliers, Partial Regression Plots, R-squared, Re-expression, Regression, Residuals, Scatterplot
  • Source: unknown
  • Number of Cases: 3112
  • Excerpt: