Table 3.
Kolmogorov–Smirnov test results comparing the decay indices of the Fe II and Si II features in GRB-SNe and ordinary type Ic-BL SNe from the Gold sample.
| Fe II | Si II | |
|---|---|---|
| KS statistic | 0.29 | 0.31 |
| p-value | 0.85 | 0.39 |
| Sample sizes | 13 type Ic-BL SNe — 5 GRB-SNe | 11 type Ic-BL SNe – 6 GRB-SNe |
Notes. The results of these KS tests suggest that there is insufficient evidence to reject the null-hypothesis that the decay indices of GRB-SNe and ordinary type Ic-BL SNe are drawn from the same underlying distribution. No comparisons can be made with type Ic SNe, since the Gold sample only has one instance of a type Ic SN.
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