Datafiles

  • 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.




  • 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:






  • Companies Download .TXT file Open in Data Desk ?
  • Methods: Boxplots, Comparing Groups, Correlation, Outliers, Re-expression, Regression, Scatterplot
  • Source: Forbes magazine
  • Number of Cases: 79
  • Excerpt: Facts about companies selected from the Forbes 500 listfor 1986. This is a 1/10 systematic sample from the alphabetical list of companies. The Forbes 500 includes all companies in the top 500 on any of the criteria, and thus has almost 800 companies in the list.






  • Computer_lab_fees Download .TXT file Open in Data Desk ?
  • Methods: Confidence Intervals for Means, Hypothesis Tests, Hypothesis Tests for Means
  • Source: Unknown
  • Number of Cases: 12
  • Excerpt: The technology committee at a school has stated that the average time spent by students per lab visit has increased and the increase supports their argument that they need to increase lab fees. To substantiate this claim, the committee randomly sampled 12 student lab visits and noted the amount of time spent using the computer. […]