Table 7
Percentage of data within the SD of the mean.
| Data group | 3σ | 6σ | ||||
|
|
||||||
| Dipole hyp | Null hyp | Mean value hyp | Dipole hyp | Null hyp | Mean value hyp | |
|
|
||||||
| Group I | 21% | 21% | 15% | 45% | 38% | 30% |
| Group II | 46% | 7% | 16% | 71% | 37% | 30% |
| Group III | 95% | 33% | 38% | 95% | 81% | 81% |
Notes. α The dipole hypothesis implies a spatial variation in following the dipole model proposed by King et al. (2012), the coordinates of the dipole are those obtained by King et al. (2012) considering each group of data separately; the null hypothesis consists of a null mean and a standard deviation given by Srianand et al. (2007) and Srianand (2013, priv. comm.); and the mean value hypothesis contains the mean of the data group and the corresponding standard deviation.
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