Datafiles

  • 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 […]


  • Fuel_efficiency Download .TXT file Open in Data Desk ?
  • Methods: Correlation, Outliers, Re-expression, Regression, Residuals, Scatterplot
  • Source: Consumer Reports
  • Number of Cases: 84
  • Excerpt: We know from common sense and from Physics that heavier cars need more fuel, but exactly how does a car’s weight affect its fuel efficiency? The data set continues data on 38 cars including their fuel efficiency in miles per gallon measured on a track.


  • Full_moon Download .TXT file Open in Data Desk ?
  • Methods: Chi Square Tests
  • Source: Unknown
  • Number of Cases: 130
  • Excerpt: Some people believe that a full moon elicits unusual behavior in people. The table shows the number of arrests made in a small town during weeks of six full moons and six other randomly selected weeks in the same year. Is there evidence of a difference in the types of illegal activity that take place?


  • Gas_additives Download .TXT file Open in Data Desk ?
  • Methods: Multifactor Analysis of Variance
  • Source: unknown
  • Number of Cases: 60
  • Excerpt: An experiment to test a new gasoline additive, Gasplus, was performed on three different cars: a sports car, a minivan, and a hybrid. Each car was tested with both Gasplus and regular gas on 10 different occasions and their gas mileage was recorded.


  • Gas_Prices_2016 Download .TXT file Open in Data Desk ?
  • Methods: Boxplots
  • Source: https://www.eia.gov/dnav/pet/pet_pri_gnd_dcus_nus_w.htm
  • Number of Cases: 1287
  • Excerpt: Weekly gas prices for regular gas in the United States as reported by the U.S. Energy Information Administration for 2009 through August 2016




  • Gas_prices_2018 Download .TXT file Open in Data Desk ?
  • Methods: Boxplots
  • Source: https://www.eia.gov/dnav/pet/hist/LeafHandler.ashx?n=PET&s=EMM_EPM0_PTE_NUS_DPG&f=W
  • Number of Cases: 301
  • Excerpt: Monthly gas prices for all grades and all formulations ($/gallon) in the United States as reported by the U.S. Energy Information Administration for 1993 through August 2018. Prices are available at the cite for all weeks. Data here are for the final week of each month.


  • Gas_prices_2019 Download .TXT file Open in Data Desk ?
  • Methods: Boxplots, Comparing Groups, Outliers, Re-expression
  • Source: https://www.eia.gov/dnav/pet/hist/LeafHandler.ashx?n=PET&s=EMM_EPM0_PTE_NUS_DPG&f=W
  • Number of Cases: 319
  • Excerpt: Monthly gas prices for all grades and all formulations ($/gallon) in the United States as reported by the U.S. Energy Information Administration for 1993 through October 2019. Prices are available at the cite for all weeks. Data here are for the final week of each month.