Datafiles

  • Bike_safety_2015Download .TXT file Open in Data Desk ?
  • Methods: Data Display, Summaries
  • Source: http://www.bhsi.org/stats.htm
  • Number of Cases: 22
  • Excerpt: The Bicycle Helmet Safety Institutewebsite includes a report on the number of bicycle fatalities per year in the United States. The data gives the counts for the years 1994–2015.






  • Birth_orderDownload .TXT file Open in Data Desk ?
  • Methods: Data Display, Summaries
  • Source: Class poll by Velleman
  • Number of Cases: 16
  • Excerpt: A statistics professor at a large university polled hisstudents to find out what their majors were and what position they held in the family birth order. The results are summarized in the table.


  • Birthrates_2015Download .TXT file Open in Data Desk ?
  • Methods: R-squared, Regression, Residuals
  • Source: cdc.gov/nchs/
  • Number of Cases: 11
  • Excerpt: Births per 1000 population in the United States, starting in 1965. There has been concern that the birthrate may be declining. A good model for tends in birthrate may allow for some prediction.


  • Blood_PressureDownload .TXT file Open in Data Desk ?
  • Methods: Conditional Distribution, Contingency Tables, Tables
  • Source: Realistic data
  • Number of Cases: 474
  • Excerpt: Does blood pressure, on average, change with age. The data here are two categorical variables: Blood pressure categorized as High, Normal, Low, and Age categorized as under 30, 30-49, and over 50.




  • BodyfatDownload .TXT file Open in Data Desk ?
  • Methods: Center, Confidence Intervals for Means, Confidence Intervals for Proportions, Data Display, Display Quantitative Variable, Hypothesis Tests, Hypothesis Tests for Means, Indicator Variables, Multiple Regression, Multiple Regression Inference, Normal Probability Plots, Normal model, Partial Regression Plots, R-squared, Regression, Regression Inference, Residuals, Sampling Distribution, Shape, Spread, Standard Deviation, Summaries, Tables
  • Source: BYU Human Performance Research Centerhttp://www.byu.edu/chhp/intro.html#lrc Director: Mark Ricard 116A RB, (801) 378-8958
  • Number of Cases: 250
  • Excerpt: Measurements of 250 men of various ages. The percent of a man’s body that is fat is a matter of concern for health and fitness. But the %bodyfat is difficult and expensive to measure accurately. These data offer correct %bodyfat measurements along with a variety of easier to find measures. Can you build a model […]


  • Bond_fundsDownload .TXT file Open in Data Desk ?
  • Methods: Comparing Two Groups
  • Source: www.morningstar.com
  • Number of Cases: 16
  • Excerpt: You have decided to investin a bond fund and plan to limit your choice of funds to Morningstar “medalist” funds. But now you must choose between a taxable fund and a municipal bond fund that is at least partially tax-free. Which is better? Here are the % returns for the three-year period leading up to […]


  • Bookstore_salesDownload .TXT file Open in Data Desk ?
  • Methods: Correlation, R-squared, Re-expression, Regression, Residuals, Scatterplot
  • Source: invented example
  • Number of Cases: 10
  • Excerpt: Number of sales people working in a bookstore and sales (in $1000) that day. These are realistic but invented data.


  • Boomtowns_2015Download .TXT file Open in Data Desk ?
  • Methods: Data Display
  • Source: http://www.newgeography.com/content/004941-large-cities-rankings-2015-best-cities-job-growth
  • Number of Cases: 70
  • Excerpt: In 2015, the website NewGeography.com listed its ranking of the best cities for job growth in the United States. Nonfarm employment is also provided.


  • Boomtowns_2020Download .TXT file Open in Data Desk ?
  • Methods: Center, Display Quantitative Variable, Shape, Spread, Summaries
  • Source: http://www.newgeography.com/content/005974-all-cities-rankings-2018-best-cities-job-growth
  • Number of Cases: 422
  • Excerpt: In 2020, the website NewGeography.com listed its ranking of the best cities for job growth in the United States. The magazine’s top 20 large cities, along with their weighted job rating indices, are given in the table. The full data set contains 71 cities.