  <div id="format">
    <h2>Format</h2>
    <p>A data frame/tibble with 20 observations on three variables</p><dl><dt>garment</dt>
<dd><p>a numeric vector</p></dd>
 
<dt>softner</dt>
<dd><p>a character variable with values <code>with</code> and <code>without</code></p></dd>
 
<dt>softness</dt>
<dd><p>a numeric vector</p></dd>
 

</dl></div>
    <div id="references">
    <h2>References</h2>
    <p>Kitchens, L. J. (2003) <em>Basic Statistics and Data Analysis</em>.
Pacific Grove, CA: Brooks/Cole, a division o