Datafiles

  • Attendance_2019Download .TXT file Open in Data Desk ?
  • Methods: Comparing Groups, Correlation, Indicator Variables, Multiple Regression, Partial Regression Plots, R-squared, Re-expression, Regression, Residuals, Scatterplot
  • Source: Attendance from http://www.espn.com/mlb/attendance Won and Lost totals from http://www.baseball-reference.com/leagues/MLB/2019.shtml The road attendance column was created by 'Road Avg'*'# road games'
  • 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 […]


  • ATUSDownload .TXT file Open in Data Desk ?
  • Methods: Boxplots, Comparing Groups, Outliers, Re-expression
  • Source: http://www.bls.gov
  • Number of Cases: 9593
  • Excerpt: The American Time Use Survey (ATUS) is an annual survey of Americans over the age of 15 conducted by the Bureau of Labor Statistics (http://www.bls.gov) to better understand how Americans spend their time over the course of a 24 hour period. This is a random sample of 100 (seed = 1) from R.


  • ATUS_sample_100Download .TXT file Open in Data Desk ?
  • Methods: Confidence Intervals for Means
  • Source: http://www.bls.gov
  • Number of Cases: 100
  • Excerpt: The American Time Use Survey (ATUS) is an annual survey of Americans over the age of 15 conducted by the Bureau of Labor Statistics (http://www.bls.gov) to better understand how Americans spend their time over the course of a 24 hour period. This is a random sample of 100 (seed = 1) from R.


  • 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, Sampling Distribution
  • 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: A sample of 200 records from 1998 Baby data from http://www.nber.org/natality/ftp.cdc.gov/pub/Health_Statistics/NCHS/Dataset_Documentation/DVS/natality/


  • Bacterial_soapDownload .TXT file Open in Data Desk ?
  • Methods:
  • Source: Student project
  • Number of Cases: 32
  • Excerpt: A student decided to investigate just how effective washing with soap is in eliminating bacteria. To do this she tested four different methods—washing with water only, washing with regular soap, washing with antibacterial soap (ABS), and spraying hands with antibacterial spray (AS) (containing 65% ethanol as an active ingredient). Her experiment consisted of one experimental […]


  • 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: Inference
  • 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 […]


  • Baseball_2016Download .TXT file Open in Data Desk ?
  • Methods: Boxplots, Test for Difference between Two Groups
  • Source: http://www.baseball-reference.com/leagues/MLB/2016.shtml
  • Number of Cases: 30
  • Excerpt: Summaries of the performance of each of the major league baseball teams in 2016. Variables include:Games won, Games Lost, Runs peer game, At bats, Runs, Hits, Doubles, Triples, Home runs, Runs batted in, Bases stolen, Time caught stealing, Bases on Balls, Strikeouts, Hits/At Bats, On Base Percentage, Slugging percentage, On base+Slugging, Total bases, Double plays […]


  • Baseball_2019Download .TXT file Open in Data Desk ?
  • Methods: Boxplots, Comparing Groups, Outliers, Re-expression
  • Source: http://www.baseball-reference.com/leagues/MLB/2019.shtml
  • Number of Cases: 30
  • Excerpt: Summaries of the performance of each of the major league baseball teams in 2019. Variables include: Games won, Games Lost, Runs peer game, At bats, Runs, Hits, Doubles, Triples, Home runs, Runs batted in, Bases stolen, Time caught stealing, Bases on Balls, Strikeouts, Hits/At Bats, On Base Percentage, Slugging percentage, On base+Slugging, Total bases, Double […]