Datafiles



  • Bodyfat Download .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#lrcDirector: Mark Ricard 116A RB, (801) 378-8958
  • Number of Cases: 250
  • Excerpt: Note: These data are also located in the file Male Body Measurements. Naming the data file “bodyfat” may focus too much on adiposity, when the data can be more generally useful. Measurements of 250 men of various ages.


  • Bond_funds Download .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_sales Download .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_2015 Download .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_2020 Download .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.


  • Boomtowns_2020(Large) Download .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: 71
  • Excerpt: he website NewGeography.com ranks the best cities for job growth in the United States. Nonfarm employment is also provided. This version of the data holds only the large cities. See Boomtowns_2020(All) for the full data.


  • Boston Wheelchair Marathon 2024 Download .TXT file Open in Data Desk ?
  • Methods: Confidence Intervals, Confidence Intervals for Means, Hypothesis Tests for Means
  • Source: https://en.wikipedia.org/wiki/List_of_winners_of_the_Boston_Marathon
  • Number of Cases: 17
  • Excerpt: The Boston Marathon has had a wheelchair division since 1977 (2020 race not held due to COVID-19).Who do you think is typically faster, the men’s marathon winner on footor the women’s wheelchair marathon winner? Becausethe conditions differ from year to year, and speeds haveimproved over the years, it seems best to treat these aspaired measurements. […]


  • Boyle Download .TXT file Open in Data Desk ?
  • Methods: Outliers, Re-expression, Regression, Residuals
  • Source: http://jap.physiology.org/content/87/4/1543
  • Number of Cases: 25
  • Excerpt: Scientist Robert Boyle examined the relationship between the volume in which a gas is contained and the pressure in its container. He used a cylindrical container with a moveable top that could be raised or lowered to change the volume. He measured the Height in inches by counting equally spaced marks on the cylinder, and […]


  • Brain_size Download .TXT file Open in Data Desk ?
  • Methods: Multiple Regression Inference, Regression, Regression Inference
  • Source: unknown
  • Number of Cases: 20
  • Excerpt: A group of female college students took a testthat measured their verbal IQs and also underwent an MRI scan to measure the size of their brains (in 1000s of pixels).


  • Brain_waves Download .TXT file Open in Data Desk ?
  • Methods: Analysis of Variance, Boxplots, Comparing Two Groups, Paired Data
  • Source: P. Gendreau et al., “Changes in EEG Alpha Frequency and Evoked Response Latency During Solitary Confinement,” Journal of Abnormal Psychology 79 [1972]: 54–59)
  • Number of Cases: 10
  • Excerpt: An experiment was performed to see whether sensory deprivation over an extended period of time has any effect on the alpha-wave patterns produced by the brain. To determine this, 20 subjects, inmates in a Canadian prison, were randomly split into two groups. Members of one group were placed in solitary confinement. Those in the other […]


  • Brakes Download .TXT file Open in Data Desk ?
  • Methods: Outliers, Re-expression, Regression, Residuals
  • Source: unknown
  • Number of Cases: 15
  • Excerpt: Stopping distances in feet for a car tested 3 times at each of 5 speeds. We hope to create a model that predicts Stopping Distance from the Speed of the car.