\begin{table}%t3
%\centering
\par
\caption{\label{tab3}Results of the $\chi^2$ fitting of the sample without the known redshift with
258 GRBs.}
\small
\par
 \begin{tabular}{lrrrrrrr}
            \hline    \hline
Fit & I.   & II.  & III. &  IV. & V. & VI. & VII.   \\
No.~ of &     &      &      &    & & &    \\
bins & 11  & 14    & 16     &   18 & 20 & 22 & 23     \\
\hline
1 G &   &     &      &   & & &   \\
$\chi_1^2$  & 57.8  & 66.8    & 67.3 &  71.4 & 76.0 & 83.8 & 76.2 \\
si.[\%]   & $10^{-7}$  & $10^{-8}$    &  $10^{-7}$    &
$10^{-7}$ & $10^{-7}$ & $10^{-8}$ & $10^{-6}$  \\
$\mu$     & 1.47  &  1.41   & 1.41     &  1.41 & 1.41 & 1.42 & 1.41   \\
$\sigma$ & 0.83     & 0.90  & 0.86    &  0.90 & 0.87 & 0.90 & 0.88 \\
\hline
2 G &   &     &      &     \\
$\chi_2^2$  &6.9  & 9.5    &  15.1    &  13.7  & 18.2 & 23.2 & 19.5   \\
si.[\%]   & 22.8  & 30.6 & 13.0 & 31.8  &
20.0 & 10.9 & 30.0 \\
$\mu_1$     & -0.04  & 0.09   &  0.36    &  0.22 & 0.38 & 0.28 & 0.48  \\
$\sigma_1$ & 0.81    & 1.07  &  0.98   &  1.06 & 1.00 & 1.03 & 1.03 \\
$\mu_2$     & 1.58  &  1.60   &  1.60    &  1.61 & 1.62 & 1.62 & 1.63  \\
$\sigma_2$ & 0.51     & 0.51  &  0.49   &  0.50 & 0.48 & 0.49 & 0.48 \\
$w_2$         &0.86     & 0.83   & 0.80    &  0.81 & 0.79 & 0.80 & 0.76   \\
F[\%]         &  0.36    &  0.04  & 0.07  & 0.01 & 0.01 &
 0.01 & $10^{-3}$\\
\hline
3 G &   &     &      &     \\
$\chi_3^2$  &2.9  &  3.1   &  10.6    &  9.2 & 14.8 & 18.3 & 17.0 \\
si.[\%]   & 23.3  & 68.2 &  15.8 &  42.1  &  19.1 & 14.5 & 25.9  \\
$\mu_1$     & --0.46  & --0.55    &  --0.52    &  --0.38  & 0.97 & --0.38 & --0.12
\\
$\sigma_1$ & 0.40     & 0.82  &  0.59   &  0.80  & 1.13 & 0.78 & 0.86\\
$\mu_2$     & 0.86  &  1.47   &  1.37    &   1.51 & 1.15 & 1.48 & 1.52 \\
$\sigma_2$ & 0.33     & 0.56  &  0.57   & 0.57  & 0.19 & 0.56 & 0.55 \\
$w_2 $        &0.20     & 0.77   & 0.67    &  0.78 &0.17 & 0.74 & 0.74   \\
$\mu_3$     & 1.72  &  1.97   &  1.89    &  1.91 & 1.82 & 1.94 & 1.88   \\
$\sigma_3$ & 0.43     & 0.15  & 0.28    &  0.15 & 0.29 & 0.20 & 0.20 \\
$w_3$         &0.72     & 0.13   & 0.25     &  0.11  & 0.45 & 0.15 & 0.13
\\
F[\%]         & 40.20 & 6.81  & 39.50  & 23.87 & 47.00 & 33.60 & 53.60  \\
\hline
\end{tabular} 
\end{table}