Table 5
Statistical comparisons of the spectral gradient distributions of pairs of MBOSS populations: t-test, f-test, and KS test.
| Resonant | Classical | Classical | Scattered | Detached | Centaurs | Short | Long | Trojans | |||
| (others) | cold | hot | disk | disk | period | period | |||||
| objects | objects | comets | comets | ||||||||
|
|
|||||||||||
| N | 15 | 43 | 28 | 23 | 17 | 26 | 44 | 0 | 60 | ||
|
|
|||||||||||
| Resonant | 31 | t | 0.701 | 0.002 | 0.713 | 0.340 | 0.056 | 0.768 | 0.006 | 0.000 | |
| 3:2 | f | 0.367 | 0.209 | 0.505 | 0.777 | 0.264 | 0.163 | 0.334 | 0.000 | ||
| KS | 0.810 | 0.000 | 0.817 | 0.612 | 0.023 | 0.438 | 0.072 | 0.000 | |||
| Indist. | Not comp. | Indist. | Indist. | Marginal | Indist. | Marginal | –/– | Not comp. | |||
|
|
|||||||||||
| Resonant | 15 | t | 0.019 | 0.485 | 0.211 | 0.034 | 0.968 | 0.005 | 0.000 | ||
| others | f | . | 0.986 | 0.166 | 0.523 | 0.881 | 0.057 | 0.810 | 0.000 | ||
| KS | 0.019 | 0.680 | 0.183 | 0.009 | 0.101 | 0.020 | 0.000 | ||||
| Marginal | Indist. | Indist. | Marginal | Indist. | Marginal | –/– | Not comp. | ||||
|
|
|||||||||||
| Classical | 43 | t | 0.002 | 0.000 | 0.000 | 0.038 | 0.000 | 0.000 | |||
| cold | f | . | 0.051 | 0.402 | 0.839 | 0.006 | 0.747 | 0.000 | |||
| KS | 0.006 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | |||||
| Not comp. | Not comp. | Not comp. | Not comp. | –/– | Not comp. | ||||||
|
|
|||||||||||
| Classic | 28 | t | 0.602 | 0.160 | 0.560 | 0.039 | 0.000 | ||||
| hot | f | . | 0.377 | 0.106 | 0.471 | 0.094 | 0.000 | ||||
| KS | 0.161 | 0.002 | 0.284 | 0.040 | 0.000 | ||||||
| Indist. | Marginal | Indist. | Marginal | –/– | Not comp. | ||||||
|
|
|||||||||||
| Scattered | 23 | t | 0.355 | 0.286 | 0.114 | 0.001 | |||||
| disk | f | . | 0.406 | 0.125 | 0.569 | 0.000 | |||||
| objects | KS | 0.280 | 0.358 | 0.359 | 0.000 | ||||||
| Indist. | Indist. | Indist. | –/– | Not comp. | |||||||
|
|
|||||||||||
| Detached | 17 | t | 0.064 | 0.583 | 0.020 | ||||||
| disk | f | . | 0.031 | 0.662 | 0.000 | ||||||
| objects | KS | 0.182 | 0.444 | 0.000 | |||||||
| Indist. | Indist. | –/– | Not comp. | ||||||||
|
|
|||||||||||
| Centaurs | 26 | t | 0.015 | 0.000 | |||||||
| f | . | 0.014 | 0.000 | ||||||||
| KS | 0.035 | 0.000 | |||||||||
| Marginal | –/– | Not comp. | |||||||||
|
|
|||||||||||
| Short | 44 | t | 0.090 | ||||||||
| period | f | . | 0.000 | ||||||||
| comets | KS | 0.000 | |||||||||
| –/– | Not comp. | ||||||||||
Notes. The three tests are the Student t- and f-tests and the KS test. The number N indicates how many objects have measurements. The result is the probability that the two distributions are randomly extracted from the same population. The label indicates whether the populations are significantly different (i.e., not compatible), marginally different, or statistically indistinguishable (see text for details).
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