<p>“Is the PhD production due to the school’s ability to educate or to the student’s ability to learn?”</p>
<p>It’s obviously both, so why use only one factor?</p>
<p>“by the sum of: (1) the number of S&E bachelors granted in 2002 and (2) the school’s SAT midpoint”</p>
<p>The sum of different units? How about dividing by both?</p>