tepw:</strong> white*percwhte</p></li>
<li><p><strong>blckph:</strong> black*perchisp</p></li>
<li><p><strong>hisppb:</strong> hispan*percblck</p></li>
<li><p><strong>lsalary:</strong> log(salary)</p></li>
</ul></div>
    <div id="source">
    <h2>Source</h2>
    <p><a href="https://www.cengage.com/cgi-wadsworth/course_products_wp.pl?fid=M20b&amp;product_isbn_issn=9781111531041" class="external-link">https://www.cengage.com/cgi-wadsworth/course_products_wp.pl?fid=M20b&amp;product_isbn_issn=9781111531041</a>