TABLE B. 5 THE STUDENTIZED RANGE STATISTIC (q)* *The critical values for \( q \) corresponding to \( \alpha=.05 \) (lightface type) and \( \alpha=.01 \) (boldface type). \begin{tabular}{|c|c|c|c|c|c|c|c|c|c|c|c|} \hline \multirow[b]{2}{*}{\begin{tabular}{c} df for \\ Error Term \end{tabular}} & \multicolumn{11}{|c|}{\( k= \) Number of Treatments } \\ \hline & 2 & 3 & 4 & 5 & 6 & 7 & 8 & 9 & 10 & 11 & 12 \\ \hline 5 & \begin{tabular}{l} 3.64 \\ 5.70 \end{tabular} & \begin{tabular}{l} 4.60 \\ 6.98 \end{tabular} & \begin{tabular}{l} 5.22 \\ 7.80 \end{tabular} & \begin{tabular}{l} 5.67 \\ 8.42 \end{tabular} & \begin{tabular}{l} 6.03 \\ 8.91 \end{tabular} & \begin{tabular}{l} 6.33 \\ 9.32 \end{tabular} & \begin{tabular}{l} 6.58 \\ 9.67 \end{tabular} & \begin{tabular}{l} 6.80 \\ 9.97 \end{tabular} & \begin{tabular}{r} 6.99 \\ 10.24 \end{tabular} & \begin{tabular}{r} 7.17 \\ 10.48 \end{tabular} & \begin{tabular}{r} 7.32 \\ 10.70 \end{tabular} \\ \hline 6 & \begin{tabular}{l} 3.46 \\ 5.24 \end{tabular} & \begin{tabular}{l} 4.34 \\ 6.33 \end{tabular} & \begin{tabular}{r} 4.90 \\ 7.03 \end{tabular} & \begin{tabular}{l} 5.30 \\ 7.56 \end{tabular} & \begin{tabular}{l} 5.63 \\ 7.97 \end{tabular} & \begin{tabular}{l} 5.90 \\ 8.32 \end{tabular} & \begin{tabular}{l} 6.12 \\ 8.61 \end{tabular} & \begin{tabular}{l} 6.32 \\ 8.87 \end{tabular} & \begin{tabular}{l} 6.49 \\ 9.10 \end{tabular} & \begin{tabular}{l} 6.65 \\ 9.30 \end{tabular} & \begin{tabular}{l} 6.79 \\ 9.48 \end{tabular} \\ \hline 7 & \begin{tabular}{l} 3.34 \\ 4.95 \end{tabular} & \begin{tabular}{l} 4.16 \\ 5.92 \end{tabular} & \begin{tabular}{l} 4.68 \\ 6.54 \end{tabular} & \begin{tabular}{l} 5.06 \\ 7.01 \end{tabular} & \begin{tabular}{l} 5.36 \\ 7.37 \end{tabular} & \begin{tabular}{l} 5.61 \\ 7.68 \end{tabular} & \begin{tabular}{l} 5.82 \\ 7.94 \end{tabular} & \begin{tabular}{l} 6.00 \\ 8.17 \end{tabular} & \begin{tabular}{l} 6.16 \\ 8.37 \end{tabular} & \begin{tabular}{l} 6.30 \\ 8.55 \end{tabular} & \begin{tabular}{l} 6.43 \\ 8.71 \end{tabular} \\ \hline 8 & \begin{tabular}{l} 3.26 \\ 4.75 \end{tabular} & \begin{tabular}{l} 4.04 \\ 5.64 \end{tabular} & \begin{tabular}{l} 4.53 \\ 6.20 \end{tabular} & \begin{tabular}{l} 4.89 \\ 6.62 \end{tabular} & \begin{tabular}{l} 5.17 \\ 6.96 \end{tabular} & \begin{tabular}{l} 5.40 \\ 7.24 \end{tabular} & \begin{tabular}{l} 5.60 \\ 7.47 \end{tabular} & \begin{tabular}{l} 5.77 \\ 7.68 \end{tabular} & \begin{tabular}{l} 5.92 \\ 7.86 \end{tabular} & \begin{tabular}{l} 6.05 \\ \( \mathbf{8 . 0 3} \) \end{tabular} & \begin{tabular}{l} 6.18 \\ 8.18 \end{tabular} \\ \hline 9 & \begin{tabular}{l} 3.20 \\ 4.60 \end{tabular} & \begin{tabular}{l} 3.95 \\ 5.43 \end{tabular} & \begin{tabular}{l} 4.41 \\ 5.96 \end{tabular} & \begin{tabular}{l} 4.76 \\ 6.35 \end{tabular} & \begin{tabular}{l} 5.02 \\ 6.66 \end{tabular} & \begin{tabular}{l} 5.24 \\ 6.91 \end{tabular} & \begin{tabular}{l} 5.43 \\ 7.13 \end{tabular} & \begin{tabular}{l} 5.59 \\ 7.33 \end{tabular} & \begin{tabular}{l} 5.74 \\ 7.49 \end{tabular} & \begin{tabular}{l} 5.87 \\ 7.65 \end{tabular} & \begin{tabular}{l} 5.98 \\ 7.78 \end{tabular} \\ \hline 10 & \begin{tabular}{l} 3.15 \\ 4.48 \end{tabular} & \begin{tabular}{l} 3.88 \\ 5.27 \end{tabular} & \begin{tabular}{l} 4.33 \\ 5.77 \end{tabular} & \begin{tabular}{l} 4.65 \\ 6.14 \end{tabular} & \begin{tabular}{l} 4.91 \\ 6.43 \end{tabular} & \begin{tabular}{l} 5.12 \\ 6.67 \end{tabular} & \begin{tabular}{l} 5.30 \\ 6.87 \end{tabular} & \begin{tabular}{l} 5.46 \\ 7.05 \end{tabular} & \begin{tabular}{l} 5.60 \\ 7.21 \end{tabular} & \begin{tabular}{l} 5.72 \\ 7.36 \end{tabular} & \begin{tabular}{l} 5.83 \\ 7.49 \end{tabular} \\ \hline 11 & \begin{tabular}{l} 3.11 \\ 4.39 \end{tabular} & \begin{tabular}{l} 3.82 \\ 5.15 \end{tabular} & \begin{tabular}{l} 4.26 \\ 5.62 \end{tabular} & \begin{tabular}{l} 4.57 \\ 5.97 \end{tabular} & \begin{tabular}{l} 4.82 \\ 6.25 \end{tabular} & \begin{tabular}{l} 5.03 \\ 6.48 \end{tabular} & \begin{tabular}{l} 5.20 \\ 6.67 \end{tabular} & \begin{tabular}{l} 5.35 \\ 6.84 \end{tabular} & \begin{tabular}{l} 5.49 \\ 6.99 \end{tabular} & \begin{tabular}{l} 5.61 \\ 7.13 \end{tabular} & \begin{tabular}{l} 5.71 \\ 7.25 \end{tabular} \\ \hline 12 & \begin{tabular}{l} 3.08 \\ 4.32 \end{tabular} & \begin{tabular}{l} 3.77 \\ 5.05 \end{tabular} & \begin{tabular}{l} 4.20 \\ 5.50 \end{tabular} & \begin{tabular}{l} 4.51 \\ 5.84 \end{tabular} & \begin{tabular}{l} 4.75 \\ 6.10 \end{tabular} & \begin{tabular}{l} 4.95 \\ 6.32 \end{tabular} & \begin{tabular}{l} 5.12 \\ 6.51 \end{tabular} & \begin{tabular}{l} 5.27 \\ 6.67 \end{tabular} & \begin{tabular}{l} 5.39 \\ 6.81 \end{tabular} & \begin{tabular}{l} 5.51 \\ 6.94 \end{tabular} & \begin{tabular}{l} 5.61 \\ 7.06 \end{tabular} \\ \hline 13 & \begin{tabular}{l} 3.06 \\ 4.26 \end{tabular} & \begin{tabular}{l} 3.73 \\ 4.96 \end{tabular} & \begin{tabular}{l} 4.15 \\ 5.40 \end{tabular} & \begin{tabular}{l} 4.45 \\ 5.73 \end{tabular} & \begin{tabular}{l} 4.69 \\ 5.98 \end{tabular} & \begin{tabular}{l} 4.88 \\ 6.19 \end{tabular} & \begin{tabular}{l} 5.05 \\ 6.37 \end{tabular} & \begin{tabular}{l} 5.19 \\ 6.53 \end{tabular} & \begin{tabular}{l} 5.32 \\ 6.67 \end{tabular} & \begin{tabular}{l} 5.43 \\ 6.79 \end{tabular} & \begin{tabular}{l} 5.53 \\ 6.90 \end{tabular} \\ \hline 14 & \begin{tabular}{l} 3.03 \\ 4.21 \end{tabular} & \begin{tabular}{l} 3.70 \\ 4.89 \end{tabular} & \begin{tabular}{l} 4.11 \\ 5.32 \end{tabular} & \begin{tabular}{l} 4.41 \\ 5.63 \end{tabular} & \begin{tabular}{l} 4.64 \\ 5.88 \end{tabular} & \begin{tabular}{l} 4.83 \\ 6.08 \end{tabular} & \begin{tabular}{l} 4.99 \\ 6.26 \end{tabular} & \begin{tabular}{l} 5.13 \\ 6.41 \end{tabular} & \begin{tabular}{l} 5.25 \\ 6.54 \end{tabular} & \begin{tabular}{l} 5.36 \\ 6.66 \end{tabular} & \begin{tabular}{l} 5.46 \\ 6.77 \end{tabular} \\ \hline 15 & \begin{tabular}{l} 3.01 \\ 4.17 \end{tabular} & \begin{tabular}{l} 3.67 \\ 4.84 \end{tabular} & \begin{tabular}{l} 4.08 \\ 5.25 \end{tabular} & \begin{tabular}{l} 4.37 \\ 5.56 \end{tabular} & \begin{tabular}{l} 4.59 \\ 5.80 \end{tabular} & \begin{tabular}{l} 4.78 \\ 5.99 \end{tabular} & \begin{tabular}{l} 4.94 \\ 6.16 \end{tabular} & \begin{tabular}{l} 5.08 \\ 6.31 \end{tabular} & \begin{tabular}{l} 5.20 \\ 6.44 \end{tabular} & \begin{tabular}{l} 5.31 \\ 6.55 \end{tabular} & \begin{tabular}{l} 5.40 \\ 6.66 \end{tabular} \\ \hline 16 & \begin{tabular}{l} 3.00 \\ 4.13 \end{tabular} & \begin{tabular}{l} 3.65 \\ 4.79 \end{tabular} & \begin{tabular}{l} 4.05 \\ 5.19 \end{tabular} & \begin{tabular}{l} 4.33 \\ 5.49 \end{tabular} & \begin{tabular}{l} 4.56 \\ 5.72 \end{tabular} & \begin{tabular}{l} 4.74 \\ 5.92 \end{tabular} & \begin{tabular}{l} 4.90 \\ 6.08 \end{tabular} & \begin{tabular}{l} 5.03 \\ 6.22 \end{tabular} & \begin{tabular}{l} 5.15 \\ 6.35 \end{tabular} & \begin{tabular}{l} 5.26 \\ 6.46 \end{tabular} & \begin{tabular}{l} 5.35 \\ 6.56 \end{tabular} \\ \hline 17 & \begin{tabular}{l} 2.98 \\ 4.10 \end{tabular} & \begin{tabular}{l} 3.63 \\ 4.74 \end{tabular} & \begin{tabular}{l} 4.02 \\ 5.14 \end{tabular} & \begin{tabular}{l} 4.30 \\ 5.43 \end{tabular} & \begin{tabular}{l} 4.52 \\ 5.66 \end{tabular} & \begin{tabular}{l} 4.70 \\ 5.85 \end{tabular} & \begin{tabular}{l} 4.86 \\ 6.01 \end{tabular} & \begin{tabular}{l} 4.99 \\ 6.15 \end{tabular} & \begin{tabular}{l} 5.11 \\ 6.27 \end{tabular} & \begin{tabular}{l} 5.21 \\ 6.38 \end{tabular} & \begin{tabular}{l} 5.31 \\ 6.48 \end{tabular} \\ \hline 18 & \begin{tabular}{l} 2.97 \\ 4.07 \end{tabular} & \begin{tabular}{l} 3.61 \\ 4.70 \end{tabular} & \begin{tabular}{l} 4.00 \\ 5.09 \end{tabular} & \begin{tabular}{l} 4.28 \\ 5.38 \end{tabular} & \begin{tabular}{l} 4.49 \\ 5.60 \end{tabular} & \begin{tabular}{l} 4.67 \\ 5.79 \end{tabular} & \begin{tabular}{l} 4.82 \\ 5.94 \end{tabular} & \begin{tabular}{l} 4.96 \\ 6.08 \end{tabular} & \begin{tabular}{l} 5.07 \\ 6.20 \end{tabular} & \begin{tabular}{l} 5.17 \\ 6.31 \end{tabular} & \begin{tabular}{l} 5.27 \\ 6.41 \end{tabular} \\ \hline 19 & \begin{tabular}{l} 2.96 \\ 4.05 \end{tabular} & \begin{tabular}{l} 3.59 \\ 4.67 \end{tabular} & \begin{tabular}{l} 3.98 \\ 5.05 \end{tabular} & \begin{tabular}{l} 4.25 \\ 5.33 \end{tabular} & \begin{tabular}{l} 4.47 \\ 5.55 \end{tabular} & \begin{tabular}{l} 4.65 \\ 5.73 \end{tabular} & \begin{tabular}{l} 4.79 \\ 5.89 \end{tabular} & \begin{tabular}{l} 4.92 \\ 6.02 \end{tabular} & \begin{tabular}{l} 5.04 \\ 6.14 \end{tabular} & \begin{tabular}{l} 5.14 \\ 6.25 \end{tabular} & \begin{tabular}{l} 5.23 \\ 6.34 \end{tabular} \\ \hline 20 & \begin{tabular}{l} 2.95 \\ 4.02 \end{tabular} & \begin{tabular}{l} 3.58 \\ 4.64 \end{tabular} & \begin{tabular}{l} 3.96 \\ 5.02 \end{tabular} & \begin{tabular}{l} 4.23 \\ 5.29 \end{tabular} & \begin{tabular}{l} 4.45 \\ 5.51 \end{tabular} & \begin{tabular}{l} 4.62 \\ 5.69 \end{tabular} & \begin{tabular}{l} 4.77 \\ 5.84 \end{tabular} & \begin{tabular}{l} 4.90 \\ 5.97 \end{tabular} & \begin{tabular}{l} 5.01 \\ 6.09 \end{tabular} & \begin{tabular}{l} 5.11 \\ 6.19 \end{tabular} & \begin{tabular}{l} 5.20 \\ 6.28 \end{tabular} \\ \hline 24 & \begin{tabular}{l} 2.92 \\ 3.96 \end{tabular} & \begin{tabular}{l} 3.53 \\ 4.55 \end{tabular} & \begin{tabular}{l} 3.90 \\ 4.91 \end{tabular} & \begin{tabular}{l} 4.17 \\ 5.17 \end{tabular} & \begin{tabular}{l} 4.37 \\ 5.37 \end{tabular} & \begin{tabular}{l} 4.54 \\ 5.54 \end{tabular} & \begin{tabular}{l} 4.68 \\ 5.69 \end{tabular} & \begin{tabular}{r} 4.81 \\ 5.81 \end{tabular} & \begin{tabular}{l} 4.92 \\ 5.92 \end{tabular} & \begin{tabular}{l} 5.01 \\ 6.02 \end{tabular} & \begin{tabular}{l} 5.10 \\ 6.11 \end{tabular} \\ \hline 30 & \begin{tabular}{l} 2.89 \\ 3.89 \end{tabular} & \begin{tabular}{l} 3.49 \\ 4.45 \end{tabular} & \begin{tabular}{l} 3.85 \\ 4.80 \end{tabular} & \begin{tabular}{l} 4.10 \\ 5.05 \end{tabular} & \begin{tabular}{l} 4.30 \\ 5.24 \end{tabular} & \begin{tabular}{l} 4.46 \\ 5.40 \end{tabular} & \begin{tabular}{l} 4.60 \\ 5.54 \end{tabular} & \begin{tabular}{l} 4.72 \\ 5.65 \end{tabular} & \begin{tabular}{l} 4.82 \\ 5.76 \end{tabular} & \begin{tabular}{l} 4.92 \\ 5.85 \end{tabular} & \begin{tabular}{l} 5.00 \\ 5.93 \end{tabular} \\ \hline 40 & \begin{tabular}{l} 2.86 \\ 3.82 \end{tabular} & \begin{tabular}{l} 3.44 \\ 4.37 \end{tabular} & \begin{tabular}{l} 3.79 \\ 4.70 \end{tabular} & \begin{tabular}{l} 4.04 \\ 4.93 \end{tabular} & \begin{tabular}{l} 4.23 \\ 5.11 \end{tabular} & \begin{tabular}{l} 4.39 \\ 5.26 \end{tabular} & \begin{tabular}{l} 4.52 \\ 5.39 \end{tabular} & \begin{tabular}{l} 4.63 \\ 5.50 \end{tabular} & \begin{tabular}{l} 4.73 \\ 5.60 \end{tabular} & \begin{tabular}{l} 4.82 \\ 5.69 \end{tabular} & \begin{tabular}{l} 4.90 \\ 5.76 \end{tabular} \\ \hline 60 & \begin{tabular}{l} 2.83 \\ 3.76 \end{tabular} & \begin{tabular}{l} 3.40 \\ 4.28 \end{tabular} & \begin{tabular}{l} 3.74 \\ 4.59 \end{tabular} & \begin{tabular}{l} 3.98 \\ 4.82 \end{tabular} & \begin{tabular}{l} 4.16 \\ 4.99 \end{tabular} & \begin{tabular}{l} 4.31 \\ 5.13 \end{tabular} & \begin{tabular}{l} 4.44 \\ 5.25 \end{tabular} & \begin{tabular}{l} 4.55 \\ 5.36 \end{tabular} & \begin{tabular}{l} 4.65 \\ 5.45 \end{tabular} & \begin{tabular}{l} 4.73 \\ 5.53 \end{tabular} & \begin{tabular}{l} 4.81 \\ 5.60 \end{tabular} \\ \hline 120 & \begin{tabular}{l} 2.80 \\ 3.70 \end{tabular} & \begin{tabular}{l} 3.36 \\ 4.20 \end{tabular} & \begin{tabular}{l} 3.68 \\ 4.50 \end{tabular} & \begin{tabular}{l} 3.92 \\ 4.71 \end{tabular} & \begin{tabular}{l} 4.10 \\ 4.87 \end{tabular} & \begin{tabular}{l} 4.24 \\ 5.01 \end{tabular} & \begin{tabular}{l} 4.36 \\ 5.12 \end{tabular} & \begin{tabular}{l} 4.47 \\ 5.21 \end{tabular} & \begin{tabular}{l} 4.56 \\ 5.30 \end{tabular} & \begin{tabular}{l} 4.64 \\ 5.37 \end{tabular} & \begin{tabular}{l} 4.71 \\ 5.44 \end{tabular} \\ \hline\( \infty \) & \begin{tabular}{l} 2.77 \\ 3.64 \end{tabular} & \begin{tabular}{l} 3.31 \\ 4.12 \end{tabular} & \begin{tabular}{l} 3.63 \\ 4.40 \end{tabular} & \begin{tabular}{l} 3.86 \\ 4.60 \end{tabular} & \begin{tabular}{l} 4.03 \\ 4.76 \end{tabular} & \begin{tabular}{l} 4.17 \\ 4.88 \end{tabular} & \begin{tabular}{l} 4.28 \\ 4.99 \end{tabular} & \begin{tabular}{l} 4.39 \\ 5.08 \end{tabular} & \begin{tabular}{l} 4.47 \\ 5.16 \end{tabular} & \begin{tabular}{l} 4.55 \\ 5.23 \end{tabular} & \begin{tabular}{l} 4.62 \\ 5.29 \end{tabular} \\ \hline \end{tabular} Table 29 of R. Pearson and H. O. Hartley, Biometrika Tables for Slatisticians, 2nd ed. New York: Cambridge University Press, 1958. Adapted and reprinted with permission of the Biometrika trustees.
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