Datafiles

  • Slalom_times_2014 Download .TXT file Open in Data Desk ?
  • Methods: Boxplots
  • Source: http://www.sports-reference.com/olympics/winter/2014/ASK/mens-giant-slalom.html
  • Number of Cases: 73
  • Excerpt: The Men’s Giant Slalom skiing event consists of two runs whose times are added together for a final score. The data give the giant slalom times in the 2014 Winter Olympics at Sochi.


  • Slalom_times_2018 Download .TXT file Open in Data Desk ?
  • Methods: Boxplots, Comparing Groups, Outliers, Re-expression
  • Source: https://en.wikipedia.org/wiki/Alpine_skiing_at_the_2018_Winter_Olympics_–_Men's_giant_slalomOrhttps://www.olympic.org/pyeongchang-2018/alpine-skiing/mens-giant-slalom
  • Number of Cases: 75
  • Excerpt: The Men’s Giant Slalom skiing event consists of two runs whose times are added together for a final score. The data give the giant slalom times in the 2018 Winter Olympics at PyeongChang.


  • Slalom-times_2022 Download .TXT file Open in Data Desk ?
  • Methods: Correlation, Data Display
  • Source: https://en.wikipedia.org/wiki/Alpine_skiing_at_the_2022_Winter_Olympics_%E2%80%93_Men%27s_slalom
  • Number of Cases: 45
  • Excerpt: The Men’s Giant Slalom skiing event consistsof two runs whose times are added together for a finalscore. The data give the giant slalom times in the 2022 WinterOlympics at Yanqing.


  • Sleep Download .TXT file Open in Data Desk ?
  • Methods: Correlation, Hypothesis Tests, Hypothesis Tests for Means, Re-expression, Regression, Scatterplot
  • Source: personal communication
  • Number of Cases: 25
  • Excerpt: The Sleep Foundation (www.sleepfoundation.org) says that adults should get at least 7 hours of sleep each night. A survey of students at a small school in the northeast U.S. asked, among other things, “How much did you sleep last night?” The data are the responses.


  • Sleep_quality Download .TXT file Open in Data Desk ?
  • Methods:
  • Source: student survey
  • Number of Cases: 113
  • Excerpt: An individual recorded their sleep quality data over the course of 113 nights from their Fitbit activity tracking wristband. The dataset is the download of data from that fitbit.


  • Slower_is_cheaper Download .TXT file Open in Data Desk ?
  • Methods: Outliers, Re-expression, Regression, Residuals
  • Source: unknown
  • Number of Cases: 9
  • Excerpt: Researchers studying how a car’s fuel efficiency (in Miles Per Gallon) varies with its Speed drove a compact car 200 miles at various speeds on a test track. Their data are shown in the table.


  • Smoking_2014 Download .TXT file Open in Data Desk ?
  • Methods: Regression
  • Source: http://www.cdc.gov/nchs
  • Number of Cases: 21
  • Excerpt: The Centers for Disease Control and Prevention track cigarette smoking in the United States. How has the percentage of people who smoke changed since the danger became clear during the last half of the 20th century? The data give percentages of smokers among men 18–24 years of age, as estimated by surveys, from 1965 through […]


  • Smoking_2018 Download .TXT file Open in Data Desk ?
  • Methods: Outliers, Re-expression, Regression, Residuals
  • Source: Gallup poll
  • Number of Cases: 56
  • Excerpt: The Gallup poll tracks cigarette smoking in the United States. How has the percentage of people who smoke changed since the danger became clear during the last half of the 20th century? The data give percentages of smokers as estimated by surveys, from 1944 through 2018.




  • Smoking_by_Age_and_Gender Download .TXT file Open in Data Desk ?
  • Methods: Conditional Distribution, Contingency Tables
  • Source: Possibly from the Pregnancy Risk Assessment Monitoring System, www.cdc.gov/prams/
  • Number of Cases: 12
  • Excerpt: The Centers for Disease Control and Prevention provide data on smoking rates by year and for men and women separately.


  • Social_networking Download .TXT file Open in Data Desk ?
  • Methods: Chi Square Tests
  • Source: Possibly from the Pregnancy Risk Assessment Monitoring System, www.cdc.gov/prams/
  • Number of Cases: 6
  • Excerpt: Pew Research conducted a survey about social networking in several countries. They asked whether respondents had access to and used social networking. Responses were “yes” (use social networking), “no”, and “not available”.


  • Some_birth_weights Download .TXT file Open in Data Desk ?
  • Methods:
  • Source: https://www.cdc.gov/nchs/data_access/vitalstatsonline.htm see also http://www.nber.org/natality/ftp.cdc.gov/pub/Health_Statistics/NCHS/Dataset_Documentation/DVS/natality/
  • Number of Cases: 394519
  • Excerpt: A 10% random sample of the weights of all live births in the U.S. in 1998.