n>
<span><span class="co">##          obs sum ranks expected</span></span>
<span><span class="co">## positive  10        71     45.5</span></span>
<span><span class="co">## negative   3        20     45.5</span></span>
<span><span class="co">## zero       0         0      0.0</span></span>
<span><span class="co">## all       13        91     91.0</span></span>
<span><span class="co">##                             </span></span>
<span><span class="co">## unadjusted variance   204.75</span></span>
<span><span