\begin{table}[htbp]\centering\caption{Rejection probabilities: $\alpha = 0.05$ ($2,000$ Monte Carlo iterations)}\renewcommand{\arraystretch}{1.0}\setlength{\tabcolsep}{4pt} % Reduce column spacing\begin{tabular}{@{}c*{17}{c}@{}}\toprule& \multicolumn{17}{c}{$H_0 : g_1 =_d g_2$ (Erd\"os-Renyi(0.1))} \\& \multicolumn{17}{c}{$q$}  \\\cmidrule(lr){2-18}$C$ & 4 & 5 & 6 & 7 & 8 & 9 & 10 & 11 & 12 & 13 & 14 & 15 & 16 & 17 & 18 & 19 & 20  \\\midrule20&7.1&8.6&9.9&10.9&10.9&10.1&9.4& & & & & & & & & & \\50&4.2&4.5&5.2&5.5&6.5&8.1&10.3&12.2&14.0&16.7&18.1&21.1&22.0&23.1&22.9&23.1&23.3\\100&3.8&4.2&3.9&4.5&5.0&5.5&5.9&5.5&5.3&6.1&6.9&6.8&7.0&8.0&9.5&11.2&12.3\\200&5.1&5.3&5.0&5.2&4.7&4.9&4.3&4.9&4.5&4.8&4.9&4.9&5.1&4.7&4.8&4.6&4.9\\\midrule& \multicolumn{17}{c}{$H_0 : g_3 =_d g_8$ (Watts-Strogatz(2, 0.2))} \\\midrule20&4.8&5.2&4.8&4.4&4.2&4.3&5.1& & & & & & & & & & \\50&5.1&5.6&5.1&5.1&5.1&5.8&4.9&5.0&5.0&5.1&5.3&5.1&5.7&5.7&5.7&5.7&5.4\\100&5.3&5.5&5.3&4.5&4.9&5.1&5.5&5.5&5.7&5.1&5.7&4.9&5.0&4.7&5.1&5.3&5.1\\200&5.4&4.2&5.1&4.3&4.5&4.3&4.1&4.0&4.3&4.4&4.2&4.1&4.3&4.5&4.4&4.2&4.0\\\midrule& \multicolumn{17}{c}{$H_0 : g_6 =_d g_7$  (Watts-Strogatz(2, 0.8))} \\\midrule20&5.1&4.6&5.0&5.4&5.4&5.9&5.9& & & & & & & & & & \\50&5.1&4.8&4.8&5.0&4.7&5.3&4.5&5.3&5.2&5.4&5.5&5.8&5.7&5.0&5.0&5.0&5.1\\100&5.5&6.2&5.6&5.7&5.9&6.2&5.2&5.1&5.3&5.3&5.3&5.1&4.8&4.7&4.5&5.0&5.3\\200&5.2&5.5&4.6&4.8&5.1&5.1&5.1&4.8&5.1&5.3&5.3&5.1&5.5&5.8&5.9&5.2&4.5\\\midrule& \multicolumn{17}{c}{$H_0 : g_1 =_d g_2$  (Watts-Strogatz(2, 0.275))} \\\midrule20&17.5&19.8&19.0&18.1&17.3&16.7&16.1& & & & & & & & & & \\50&16.6&23.3&29.5&34.5&40.4&43.5&45.1&45.1&45.1&43.4&42.3&40.1&39.1&38.4&37.6&36.6&37.1\\100&10.4&15.3&19.6&28.0&33.2&39.6&47.4&52.8&57.6&63.8&68.3&72.0&74.3&75.8&77.0&77.0&76.0\\200&6.1&8.1&10.4&13.8&19.4&23.8&29.3&34.6&40.2&46.2&50.3&56.1&60.1&65.8&70.4&74.2&78.3\\\midrule& \multicolumn{17}{c}{$H_0 : g_4 =_d g_5$  (Random Geometric(0.2))} \\\midrule20&5.8&6.3&7.4&10.8&16.4&23.8&33.0& & & & & & & & & & \\50&4.1&4.5&5.2&5.5&5.1&5.3&5.1&6.0&6.2&5.9&6.7&8.0&10.2&13.9&18.5&23.6&30.1\\100&4.2&4.5&4.3&4.9&4.7&4.7&4.9&5.1&4.8&4.9&4.5&4.5&4.4&4.7&4.3&4.3&4.9\\200&5.0&4.8&4.6&4.5&5.0&5.2&4.7&5.3&5.0&4.2&4.4&4.8&4.5&4.4&5.3&5.5&5.0\\\midrule& \multicolumn{17}{c}{$H_0 : g_1 =_d g_2$ (Random Geometric(0.2))} \\\midrule20&31.6&45.5&55.1&65.2&73.4&78.3&83.8& & & & & & & & & & \\50&19.1&28.1&36.5&47.9&58.5&65.1&72.8&79.5&83.3&87.8&90.8&93.4&95.3&96.5&97.5&98.0&98.8\\100&8.7&13.3&19.1&28.6&36.5&44.0&53.0&61.0&68.7&75.3&80.7&84.6&88.7&91.5&93.5&95.1&96.2\\200&5.5&6.3&7.0&9.7&12.5&16.5&22.1&28.4&36.5&43.4&52.3&58.3&64.7&70.9&75.9&80.9&84.3\\\bottomrule\end{tabular}\label{tab:rej_prob_null}\end{table}