Datafiles

  • Freshman_15 Download .TXT file Open in Data Desk ?
  • Methods: Blocking, Nonparametric Methods, Paired Data
  • Source: Prof David Levitsky, Cornell University
  • Number of Cases: 68
  • Excerpt: Is it true that students tend to gain weight during their first year in college? Cornell Professor of Nutrition David Levitsky recruited students from two large sections of an introductory health course. Although they were volunteers, they appeared to match the rest of the freshman class in terms of demographic variables such as sex and […]


  • Friday_the_13th_Accidents Download .TXT file Open in Data Desk ?
  • Methods: Blocking, Nonparametric Methods, Paired Data
  • Source: British Medical JournalIs Friday the 13th bad for your health? BMJ 1993;307:1584
  • Number of Cases: 6
  • Excerpt: Many people fear Friday the 13th as an unlucky day. Researchers looked into this to see whether there were differences in traffic or in admissions to hospitals for road accidents on Friday 13th when compared with the adjacent Friday 6th.


  • Friday_the_13th_traffic Download .TXT file Open in Data Desk ?
  • Methods: Blocking, Nonparametric Methods, Paired Data
  • Source: British Medical JournalIs Friday the 13th bad for your health? BMJ 1993;307:1584
  • Number of Cases: 10
  • Excerpt: Many people fear Friday the 13th as an unlucky day. Researchers looked into this to see whether there were differences in traffic or in admissions to hospitals for road accidents on Friday 13th when compared with the adjacent Friday 6th.


  • Frisbee_throws Download .TXT file Open in Data Desk ?
  • Methods: Analysis of Variance
  • Source: From student experiment (De Veaux)
  • Number of Cases: 24
  • Excerpt: A student performed an experiment with three different grips to see what effect it might have on the distance of a backhanded Frisbee throw. She tried it with her normal grip, with one finger out, and with the Frisbee inverted. She measured in paces how far her throws went.


  • Fritos Download .TXT file Open in Data Desk ?
  • Methods: Confidence Intervals, Hypothesis Tests
  • Source: Unknown
  • Number of Cases: 6
  • Excerpt: As a project for an Introductory Statistics course, students checked 6 bags of Fritos marked with a net weight of 35.4 grams. They carefully weighed the contents of each bag, recording the weights (in grams):




  • 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:


  • Fuel_economy_2016 Download .TXT file Open in Data Desk ?
  • Methods: Boxplots, Confidence Intervals for Means, Correlation, Regression, Scatterplot
  • Source: https://www.fueleconomy.gov/feg/download.shtml
  • Number of Cases: 1211
  • Excerpt: The U.S. government provides fuel economy (in miles per gallon) and other information about late model cars sold in the US. How would you model the relationship between fuel economy and engine displacement (in liters)? Are there any cars that don’t fit the model? Can you explain why?


  • Fuel_economy_2019 Download .TXT file Open in Data Desk ?
  • Methods: Correlation, R-squared, Re-expression, Regression, Residuals, Scatterplot
  • Source: https://www.fueleconomy.gov/feg/download.shtml
  • Number of Cases: 1262
  • Excerpt: The U.S. government provides fuel economy (in miles per gallon) and other information about late model cars sold in the US. How would you model the relationship between fuel economy and engine displacement (in liters)? Are there any cars that don’t fit the model? Can you explain why?






  • Fuel_economy_sample_2016 Download .TXT file Open in Data Desk ?
  • Methods: Correlation, Scatterplot
  • Source: https://www.fueleconomy.gov/feg/download.shtml
  • Number of Cases: 35
  • Excerpt: The U.S. government provides fuel economy (in miles per gallon) and other information about late model cars sold in the US. How would you model the relationship between fuel economy and engine displacement (in liters)? Are there any cars that don’t fit the model? Can you explain why? This is a sample of 35 cars […]