   49    student     0.9250000         0.02879378</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 12              50         99    student     0.9700000         0.02099563</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 13              50        149    student     0.9750000         0.02051630</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 14              50        199    student     0.9800000         0.02000000</span>
<span class="r-out co"><span class="r-pr">#&gt;