Running in Class

You may have been late and had to run to class, but this data is about students running in class. It came from an in-class activity in a college introductory statistics class. Some general data was collected for each student, and then each student was asked to flip a coin. Those whose coin came up heads were asked to run in place for a minute. All students measured their own pulse rate both before and after the running activity took place. Note that the two measurements were made on those who ran and on those who did not. Here are the first seven cases:


    
    

      

        PuBefor
        PuAfter
        Ran?
        Smokes?
        Sex
        Height
        Weight
        ActivityL
      

      

        48
        54
        no
        yes
        male
        68.00
        150
        0
      

      

        54
        56
        no
        yes
        male
        69.00
        145
        2
      

      

        54
        50
        no
        no
        male
        69.00
        160
        2
      

      

        58
        70
        yes
        no
        male
        72.00
        145
        2
      

      

        58
        58
        no
        no
        male
        66.00
        135
        3
      

      

        58
        56
        no
        no
        female
        67.00
        125
        2
      

      

        60
        76
        yes
        no
        male
        71.00
        170
        3
      

    

    
    
In addition to the pulse rate before and after the running took place,
      the data record whether each student ran or not, whether they smoked,
      their sex, height (in inches), weight (in pounds) and activity level. This
      last is coded

    
    
      
  1. low
    2. 
      
  2. moderate
    3. 
      
  3. high
    4. 
    

    
    
and it is ordered categorical data coded numerically. (The numbers
      reflect the order but cannot be taken too literally; "moderate"
      does not mean twice the activity of "low".) 

    
    
You can find the entire dataset at our site as a plain
      text
        file or as an
      
        Excel spreadsheet. 

    
    

    

    
    
Note on Sources

    
    
The data here are believed to have been collected long ago by Brian
      Joiner at Pennsylvania State University. Joiner was one of the
      developers
        of the Minitab statistical software and the data have long been
      bundled with Minitab. However, this version has been reordered and recoded
      for the purpose of this course.