Datafiles



  • Alternative energy 2016Download .TXT file Open in Data Desk ?
  • Methods: Regression
  • Source: https://en.wikipedia.org/wiki/List_of_U.S._states_by_electricity_production_from_renewable_sources
  • Number of Cases: 50
  • Excerpt: https://en.wikipedia.org/wiki/List_of_U.S._states_by_electricity_production_from_renewable_sources




  • AnalgesicsDownload .TXT file Open in Data Desk ?
  • Methods: Analysis of Variance
  • Source: unknown
  • Number of Cases: 27
  • Excerpt: A pharmaceutical company tested three formulations of a pain relief medicine for migraine headache sufferers. For the experiment, 27 volunteers were selected and 9 were randomly assigned to one of three drug formulations. The subjects were instructed to take the drug during their next migraine headache episode and to report their pain on a scale […]


  • AntidepressantsDownload .TXT file Open in Data Desk ?
  • Methods: Correlation, Scatterplot
  • Source: unknown
  • Number of Cases: 19
  • Excerpt: A study compared the effectiveness of several antidepressants by examining the experiments in which they had passed the FDA requirements. Each of those experiments compared the active drug with a placebo, an inert pill given to some of the subjects. In each experiment some patients treated with the placebo had improved, a phenomenon called the […]


  • Apples and gasDownload .TXT file Open in Data Desk ?
  • Methods: Time Series Analysis
  • Source:
  • Number of Cases: 12
  • Excerpt: The price of delicious apples and regular gas are components of the Consumer Price Index. The data give those prices monthly for the year 2006


  • ArcheryDownload .TXT file Open in Data Desk ?
  • Methods:
  • Source: http://www.espn.com/oly/summer08/results?eventId=258 (men) http://www.espn.com/oly/summer08/results?eventId=211 (women)
  • Number of Cases: 64
  • Excerpt: In Olympic Archery both men and women start with a field of 64 qualifiers. Each archer shoots a round of 72 arrows (total possible score: 720) to establish a seeding position. Then they participate in a single-elimination contest. Thus, the seeding round is the only one that provides data for all archers (because some are […]


  • Attendance 2016Download .TXT file Open in Data Desk ?
  • Methods: Multiple Regression, Correlation, Regression, Test for Difference between Two Groups, Comparing Two Groups, Scatterplot
  • Source: Attendance from http://www.espn.com/mlb/attendance Won and Lost totals from http://www.baseball-reference.com/leagues/MLB/2016.shtml
  • Number of Cases: 30
  • Excerpt: American League baseball games are played under the designated hitter rule, meaning that pitchers, often weak hitters, do not come to bat. Baseball owners believe that the designated hitter rule means more runs scored, which in turn means higher attendance. Is there evidence that more fans attend games if the teams score more runs? The […]


  • Auto noise filtersDownload .TXT file Open in Data Desk ?
  • Methods: Analysis of Variance
  • Source: unknown
  • Number of Cases: 35
  • Excerpt: In a statement to a Senate Public Works Committee, a senior executive of Texaco, Inc., cited a study on the effectiveness of auto filters on reducing noise. Because of concerns about performance, two types of filters were studied, a standard silencer and a new device developed by the Associated Octel Company. Noise is in decibels/10. […]


  • Babysamp 98Download .TXT file Open in Data Desk ?
  • Methods: Confidence Intervals for Proportions
  • Source: http://www.nber.org/natality/ftp.cdc.gov/pub/Health_Statistics/NCHS/Dataset_Documentation/DVS/natality/ Sample of 200 using set.seed(1) in R
  • Number of Cases: 200
  • Excerpt: 1998 Baby data from http://www.nber.org/natality/ftp.cdc.gov/pub/Health_Statistics/NCHS/Dataset_Documentation/DVS/natality/


  • Ballplayer birthsDownload .TXT file Open in Data Desk ?
  • Methods: Chi Square Tests
  • Source: Unknown
  • Number of Cases: 12
  • Excerpt: It has been suggested that children born in the summer have an advantage over their peers when it comes to sports, perhaps because they can be outdoors when they are young. The data report the number of professional ballplayers born in each month of the year for one season of professional baseball.


  • Barbershop musicDownload .TXT file Open in Data Desk ?
  • Methods:
  • Source: Results of a barbershop competition as reported by Velleman
  • Number of Cases: 34
  • Excerpt: At a barbershop music singing competition, choruses are judged on three scales: Music (quality of the arrangement, etc.), Performance, and Singing. The scales are supposed to be independent of each other, and each is scored by a different judge, but a friend claims that he can predict a chorus’s singing score from the other two […]