Datafiles

  • Coffee_prices_2017 Download .TXT file Open in Data Desk ?
  • Methods: Time Series Analysis
  • Source: http://www.ico.org/new_historical.asp?section=Statistics
  • Number of Cases: 336
  • Excerpt: Coffee is the world’s second largestlegal export commodity (after oil) and is the second largest source of foreign exchange for developing nations. The United States consumes about one-fifth of the world’s coffee. The International Coffee Organization (ICO) computes a coffee price index using Colombian, Brazilian, and a mixture of other coffee data. Data are provided […]


  • COL 2025 Download .TXT file Open in Data Desk ?
  • Methods: Boxplots
  • Source: http://www.numbeo.com/cost-of-living
  • Number of Cases: 96
  • Excerpt: To help travelers know what to expect, researchers collected the prices of commodities in 96 countries throughout the world comparing the average prices of a bottle of water, a dozen eggs, and a loaf of bread. (prices are all in US$ as of January 2025).


  • COL all 2025 Download .TXT file Open in Data Desk ?
  • Methods: Boxplots
  • Source: http://www.numbeo.com/cost-of-living
  • Number of Cases: 331
  • Excerpt: To help travelers know what to expect, researchers collected the prices of commodities in 331 countries throughout the world comparing the average prices of a bottle of water, a dozen eggs, and a loaf of bread. (prices are all in US$ as of January 2025).






  • COL_Worldwide_2020 Download .TXT file Open in Data Desk ?
  • Methods: Boxplots, Center, Confidence Intervals for Means, Correlation, Data Display, Display Quantitative Variable, Hypothesis Tests, Multiple Regression, Scatterplot, Shape, Spread, Summaries, Summarizing Quantitative Data
  • Source: http://www.numbeo.com/cost-of-living
  • Number of Cases: 441
  • Excerpt: The Cost of Living Index (COL) summarizes the cost of a representative market basket of goods that includes groceries, COL to determine living allowances and salaries for employees. Inflation is often measured by how much the COL changes from year to year. Relative COLs can be found for different cities. We have data giving COL […]


  • COLall_2016 Download .TXT file Open in Data Desk ?
  • Methods: Boxplots
  • Source: http://www.numbeo.com/cost-of-living
  • Number of Cases: 576
  • Excerpt: The cost of a variety of common items in 576 cities around the world in $, adjusted so that New York, U.S.A. is 100.


  • COLall_2020 Download .TXT file Open in Data Desk ?
  • Methods: Boxplots, Comparing Groups, Outliers, Re-expression
  • Source: http://www.numbeo.com/cost-of-living
  • Number of Cases: 449
  • Excerpt: The cost of a variety of common items in 576 cities around the world in $, adjusted so that New York, U.S.A. is 100.


  • COLall_2025 Download .TXT file Open in Data Desk ?
  • Methods: Boxplots
  • Source: http://www.numbeo.com/cost-of-living
  • Number of Cases: 331
  • Excerpt: To help travelers know what to expect, researchers collected the prices of commodities in 331 countries throughout the world comparing the average prices of a bottle of water, a dozen eggs, and a loaf of bread. (prices are all in US$ as of January 2025). Note that COL_2025 holds a sample of 96 of these […]




  • Commute_times Download .TXT file Open in Data Desk ?
  • Methods: Center, Display Quantitative Variable, Displaying Quantitative Data, Experiments, Normal Probability Plots, Normal model, Sampling, Shape, Spread, Standard Deviation, Summaries, Surveys
  • Source: Data from a survey of workers at a company. The data have been modified to protect confidentiality.
  • Number of Cases: 5000
  • Excerpt: