  response cyl gear     mean median range_1 range_2</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 1       hp   4    3  97.0000   97.0      97      97</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 2       hp   6    3 107.5000  107.5     105     110</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 3       hp   8    3 194.1667  180.0     150     245</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 4       hp   4    4  76.0000   66.0      52     109</spa