\begin{table}%t14
%\centering
\par
\caption{Observed and model line ratios; $3.0 \leq z < 3.5$.\label{table:14a}}
\begin{tabular}{l c c c c}
\hline\hline
  Parameter                                &
  Obs.                                     &
  Err.$^{{a}}$                      &
  \multicolumn{2}{c}{Models$^{{b}}$}\\
\hline
\multicolumn{5}{c}{$-25.5   >   M_B   \geq   -26.5$} \\
\hline
  $Z/Z_\odot$                       &       &       &   5.0 &   2.0 \\
  $\beta$                           &       &       &--1.00 &--1.17 \\
  $\Gamma$                          &       &       &--1.00 &--1.68 \\
  N{\sc v}/C{\sc iv}                & 0.635 & 0.032 & 0.499 & 0.433 \\
  (O{\sc i}+Si{\sc ii})/C{\sc iv}   & 0.090 & 0.010 & 0.163 & 0.040 \\
  C{\sc ii}/C{\sc iv}               & 0.050 & 0.010 & 0.199 & 0.089 \\
  (Si{\sc iv}+O{\sc iv}])/C{\sc iv} & 0.279 & 0.014 & 0.322 & 0.257 \\
  N{\sc iv}]/C{\sc iv}              & 0.030 & 0.010 & 0.152 & 0.066 \\
  He{\sc ii}/C{\sc iv}              & 0.148 & 0.010 & 0.186 & 0.206 \\
  (O{\sc iii}]+Al{\sc ii})/C{\sc iv}& 0.111 & 0.010 & 0.289 & 0.174 \\
  Al{\sc iii}/C{\sc iv}             & 0.072 & 0.010 & 0.101 & 0.047 \\
  Si{\sc iii}]/C{\sc iv}            & 0.068 & 0.010 & 0.266 & 0.083 \\
  C{\sc iii}]/C{\sc iv}             & 0.336 & 0.017 & 0.474 & 0.240 \\
\hline
\multicolumn{5}{c}{$-26.5  >  M_B  \geq  -27.5$} \\
\hline
  $Z/Z_\odot$                   &       &       &   5.0 &   5.0 \\
  $\beta$                           &       &       &--1.00 &--1.07 \\
  $\Gamma$                          &       &       &--1.00 &--1.54 \\
  N{\sc v}/C{\sc iv}                & 0.819 & 0.041 & 0.499 & 0.795 \\
  (O{\sc i}+Si{\sc ii})/C{\sc iv}   & 0.095 & 0.010 & 0.163 & 0.086 \\
  C{\sc ii}/C{\sc iv}               & 0.049 & 0.010 & 0.199 & 0.188 \\
  (Si{\sc iv}+O{\sc iv}])/C{\sc iv} & 0.329 & 0.016 & 0.322 & 0.418 \\
  N{\sc iv}]/C{\sc iv}              & 0.023 & 0.010 & 0.152 & 0.145 \\
  He{\sc ii}/C{\sc iv}              & 0.148 & 0.010 & 0.186 & 0.199 \\
  (O{\sc iii}]+Al{\sc ii})/C{\sc iv}& 0.111 & 0.010 & 0.289 & 0.272 \\
  Al{\sc iii}/C{\sc iv}             & 0.108 & 0.010 & 0.101 & 0.103 \\
  Si{\sc iii}]/C{\sc iv}            & 0.112 & 0.010 & 0.266 & 0.157 \\
  C{\sc iii}]/C{\sc iv}             & 0.321 & 0.016 & 0.474 & 0.314 \\
\hline
\multicolumn{5}{c}{$-27.5  >  M_B  \geq  -28.5$} \\
\hline
  $Z/Z_\odot$                       &       &       &   5.0 &   5.0 \\
  $\beta$                           &       &       &--1.00 &--1.11 \\
  $\Gamma$                          &       &       &--1.00 &--1.61 \\
  N{\sc v}/C{\sc iv}                & 1.034 & 0.052 & 0.499 & 0.840 \\
  (O{\sc i}+Si{\sc ii})/C{\sc iv}   & 0.109 & 0.010 & 0.163 & 0.078 \\
  C{\sc ii}/C{\sc iv}               & 0.055 & 0.010 & 0.199 & 0.183 \\
  (Si{\sc iv}+O{\sc iv}])/C{\sc iv} & 0.402 & 0.020 & 0.322 & 0.420 \\
  N{\sc iv}]/C{\sc iv}              & 0.019 & 0.010 & 0.152 & 0.152 \\
  He{\sc ii}/C{\sc iv}              & 0.148 & 0.010 & 0.186 & 0.200 \\
  (O{\sc iii}]+Al{\sc ii})/C{\sc iv}& 0.108 & 0.010 & 0.289 & 0.277 \\
  Al{\sc iii}/C{\sc iv}             & 0.126 & 0.010 & 0.101 & 0.097 \\
  Si{\sc iii}]/C{\sc iv}            & 0.105 & 0.010 & 0.266 & 0.149 \\
  C{\sc iii}]/C{\sc iv}             & 0.379 & 0.019 & 0.474 & 0.323 \\
\hline
\multicolumn{5}{c}{$-28.5   >   M_B  \geq   -29.5$} \\
\hline
  $Z/Z_\odot$                       &       &       &   5.0 &   5.0 \\
  $\beta$                           &       &       &--1.00 &--1.06 \\
  $\Gamma$                          &       &       &--1.00 &--1.61 \\
  N{\sc v}/C{\sc iv}                & 0.979 & 0.049 & 0.499 & 0.846 \\
  (O{\sc i}+Si{\sc ii})/C{\sc iv}   & 0.094 & 0.010 & 0.163 & 0.080 \\
  C{\sc ii}/C{\sc iv}               & 0.039 & 0.010 & 0.199 & 0.191 \\
  (Si{\sc iv}+O{\sc iv}])/C{\sc iv} & 0.370 & 0.018 & 0.322 & 0.443 \\
  N{\sc iv}]/C{\sc iv}              & 0.045 & 0.010 & 0.152 & 0.138 \\
  He{\sc ii}/C{\sc iv}              & 0.102 & 0.010 & 0.186 & 0.203 \\
  (O{\sc iii}]+Al{\sc ii})/C{\sc iv}& 0.100 & 0.010 & 0.289 & 0.263 \\
  Al{\sc iii}/C{\sc iv}             & 0.117 & 0.010 & 0.101 & 0.109 \\
  Si{\sc iii}]/C{\sc iv}            & 0.134 & 0.010 & 0.266 & 0.141 \\
  C{\sc iii}]/C{\sc iv}             & 0.281 & 0.014 & 0.474 & 0.269 \\
\hline
\end{tabular}
\par
\smallskip
 $^{{a}}$ 
   Errors adopted for carrying out model fittings.
   Values are changed from those presented in
   Table 5; see text for details.\\
 $^{{b}}$ 
   Model predictions with fixed $\beta$ and $\Gamma$
   and those with varying $\beta$ and $\Gamma$ are
   given in the left and right columns, respectively.
\end{table}