<table dir="rtl" border="1">
<caption><em>A test table with merged cells</em></caption>
<tr><th rowspan="2"></th>
    <th colspan="2">Average</th>
    <th rowspan="2">Red<br>eyes</th></tr>
<tr><th>height</th>
    <th>weight</th></tr>
<tr><th>Males</th>
    <td>1.9</td>
        <td>0.003</td>
        <td>40%</td></tr>
<tr><th>Females
    <td>1.7</td>
        <td>0.002</td>
        <td>43%</td></tr>
</table>