**Table 1:**
The results of the Kolmogorov-Smirnov tests for the three
subclasses. The first column denotes the subclass; the second the
number of GRBs of this subclass; the third column gives the
difference *D* between the theoretical and empirical cumulative
function; the fourth column gives the significance (in percentage)
of the rejection of the null-hypothesis of isotropy (Eq. (14.3.9) of
Press et al. 1992).
* subgroup* |
*N* |
*D* |
% |

* short * |
497 |
0.049 |
82.1 |

* intermediate* |
301 |
0.054 |
76.5 |

* long * |
1239 |
0.046 |
99.0 |

* non-short * |
1540 |
0.021 |
51.2 |

* all * |
2702 |
0.021 |
77.2 |

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