\begin{table}
\caption{Puntos Críticos: Test de Kruskal--Wallis\label{K_W}}
\tiny %\arraycolsep .65ex
\def\arraystretch{1.5}
$$
\begin{tabular}{|ccc|ccc|}
\hline
&&&\multicolumn{3}{c|}{$\alpha$}\\ \cline{4-6}
$n_1$&$n_2$&$n_3$&0'10&0'05&0'01\\
\hline
3&2&1& 4'286&     &     \\
3&2&2& 4'500&4'714&     \\
3&3&1& 4'571&5'143&     \\
3&3&2& 4'556&5'361&     \\
3&3&3& 4'622&5'600&7'200\\
4&2&1& 4'500&     &     \\
4&2&2& 4'458&5'333&     \\
4&3&1& 4'056&5'208&     \\
4&3&2& 4'511&5'444&6'444\\
4&3&3& 4'709&5'727&6'746\\
4&4&1& 4'167&4'967&6'667\\
4&4&2& 5'554&5'455&7'036\\
4&4&3& 4'546&5'598&7'144\\
4&4&4& 4'654&5'692&7'654\\
\hline
\end{tabular}
\
\begin{tabular}{|ccc|ccc|}
\hline
&&&\multicolumn{3}{c|}{$\alpha$}\\ \cline{4-6}
$n_1$&$n_2$&$n_3$&0'10&0'05&0'01\\ \hline
5&2&1& 4'200&5'000&     \\
5&2&2& 4'373&5'160&6'533\\
5&3&1& 4'018&4'960&     \\
5&3&2& 4'651&5'251&6'909\\
5&3&3& 4'533&5'648&7'079\\
5&4&1& 3'987&4'986&6'954\\
5&4&2& 4'541&5'273&7'204\\
5&4&2& 4'549&5'656&7'445\\
5&4&4& 4'619&5'657&7'760\\
5&5&1& 4'109&5'127&7'309\\
5&5&2& 4'623&5'338&7'338\\
5&5&3& 5'545&5'705&7'578\\
5&5&4& 4'523&5'666&7'823\\
5&5&5& 4'560&5'780&8'000\\ \hline
\end{tabular}
$$
\end{table}

\begin{table}
\caption{Puntos críticos: Test de Kruskal--Wallis (comparaciones)}\label{K_W_rcomp}
\def\arraystretch{1.5}
\tiny
$$
\begin{tabular}{|c|ccccccc|}
\multicolumn{8}{c}{\normalsize $r$ comparaciones}\\ \hline
$k$& $n$& $r$& $\alpha$ & $r$& $\alpha$& $r$& $\alpha$\\
\hline
2 & 3&  8& 0'067& 8& 0'067& 8& 0'067 \\
  & 4& 12&0'029 &12&0'029 &12&0'029  \\
  & 5& 16&0'016 &16&0'016 &15&0'048  \\
  & 6& 20&0'010 &19&0'030 &19&0'030  \\
  & 7& 24&0'007 &23&0'021 &22&0'056  \\
  & 8& 28&0'005 &26&0'041 &26&0'041  \\
  & 9& 31&0'012 &30&0'031 &29&0'063  \\
  &10& 35&0'009 &34&0'025 &33&0'050  \\
  &11& 30&0'008 &38&0'020 &37&0'040  \\
  &12& 43&0'006 &41&0'033 &40&0'062  \\
  &13& 46&0'014 &45&0'028 &44&0'052  \\
  &14& 50&0'012 &49&0'024 &48&0'044  \\
  &15& 54&0'010 &52&0'038 &52&0'038  \\
3 & 3& 17&0'011 &16&0'029 &15&0'064  \\
  & 4& 24&0'012 &23&0'023 &22&0'043  \\
  & 5& 32&0'007 &30&0'023 &28&0'060  \\
  & 6& 39&0'009 &37&0'024 &35&0'055  \\
  & 7& 39&0'009 &37&0'024 &35&0'054  \\
  & 8& 54&0'010 &51&0'029 &49&0'055  \\
4 & 3& 27&0'011 &25&0'031 &24&0'045  \\
  & 4& 38&0'012 &36&0'026 &34&0'049  \\
  & 5& 50&0'010 &46&0'033 &44&0'056  \\
5 & 3& 39&0'009 &35&0'031 &33&0'048  \\
6 & 3& 51&0'011 &  &      &43&0'049  \\
\hline
\end{tabular}
$$
\end{table}