Datafiles



  • Market_value Download .TXT file Open in Data Desk ?
  • Methods: Comparing Two Groups
  • Source: unknown
  • Number of Cases: 45
  • Excerpt: Real estate agents want to set correctlythe price of a house that’s about to go on the real estate market. They must choose a price that strikes a balance between one that is so high that the house takes too long to sell and one that’s so low that not enough value will go to […]


  • Marijuana_2015 Download .TXT file Open in Data Desk ?
  • Methods: Center, Data Display, Display Quantitative Variable, Shape, Spread, Summaries
  • Source: The European School Survey project on Alcohol and Other Drugs (www.espad.org)
  • Number of Cases: 56
  • Excerpt: In 2015 the Council of Europe published a report entitled The European School Survey Project on Alcohol and Other Drugs (www.espad.org). Among other issues, the survey investigated the percent-ages of 16-year-olds who had used marijuana. The data are the results for 38 European countries.


  • Manatees_2017 Download .TXT file Open in Data Desk ?
  • Methods: Correlation, Re-expression, Regression
  • Source: Florida Fish and Wildlife Conservation Commission (https://myfwc.com/research/manatee/rescue-mortality-response/statistics/mortality/yearly/) NOTE: just get the column from watercraft manatee deaths and the U.S. Coast Guard Office of Auxiliary and Boating Safety (https://www.uscgboating.org/library/accident-statistics/Recreational-Boating-Statistics-2017.pdf) NOTE: Just change the year in the pdf url to get the next boating and safety pdf. Scroll all the way to the bottom for the last table (somewhere around pg 70 on each pdf and find the table titled "RECREATIONAL VESSEL REGISTRATION DATA BY STATE". Get the number for FL for number of registration.
  • Number of Cases: 35
  • Excerpt: Manatees are gentle mammals that live in the waters off the coast of Florida and a few other places. Unfortunately, many are killed each year in collisions with powerboats. Marine biologists warn that the growing number of powerboats registered in Florida threatens the existence of manatees. The data here are the number of manatees killed […]


  • Manatees_2015 Download .TXT file Open in Data Desk ?
  • Methods:
  • Source: Florida Fish and Wildlife Conservation Commission(myfwc.com/research/manatee/) and the U.S. Coast Guard Office of Auxiliary and Boating Safety (https://www.uscgboating.org/library/accident-statistics/Recreational-Boating-Statistics-2015.pdf)
  • Number of Cases: 33
  • Excerpt: Manatees are gentle mammals that live in the waters off the coast of Florida and a few other places. Unfortunately, many are killed each year in collisions with powerboats. Marine biologists warn that the growing number of powerboats registered in Florida threatens the existence of manatees. The data here are the number of manatees killed […]




  • Male_body_measurements Download .TXT file Open in Data Desk ?
  • Methods: Boxplots, Correlation, Data Display, Multiple Regression, Regression, Regression Inference, Residuals
  • Source: BYU Human Performance Research Center http://www.byu.edu/chhp/intro.html#lrc
  • Number of Cases:
  • 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 […]


  • Male Body Measurements Download .TXT file Open in Data Desk ?
  • Methods: Analysis of Variance, Boxplots, Center, Confidence Intervals, Correlation, Data Display, Hypothesis Tests, Multiple Regression Inference, Regression
  • Source: BYU Human Performance Research Center http://www.byu.edu/chhp/intro.html#lrc
  • Number of Cases: 250
  • Excerpt: Measurements of 250 males of various ages. The data are useful for general comparisons of measurements. The original focus of researchers was on weight and health. The percent of a male’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 […]


  • Major_hurricanes_2013 Download .TXT file Open in Data Desk ?
  • Methods: Center, Data Display, Display Quantitative Variable, Shape, Spread, Summaries
  • Source: www.nhc.noaa.gov/data/
  • Number of Cases: 70
  • Excerpt: Is global climate change leading to an increase in the number of major hurricanes? The data gives the number of hurricanes classified as major hurricanes in the Atlantic Ocean each year from 1944 through 2013, as reported by NOAA: