All data (inner rifts only) | ETopo1 | All segments corresponding to spreading centres | ETopo1 | All segments corresponding to transform faults | ETopo1 | Spreading centres excluding buffer zones | ETopo1 | |
Number of values | 30,726 | Number of values | 19,278 | Number of values | 11,448 | Number of values | 12,650 | |
Sum | −103,826,726 | Sum | −62,668,546 | Sum | −41,158,180 | Sum | −41,303,926 | |
Minimum | −9758 | Minimum | −9758 | Minimum | −7666 | Minimum | −6590 | |
Maximum | 849 | Maximum | 755 | Maximum | 849 | Maximum | −445 | |
Range | 10,607 | Range | 10,513 | Range | 8515 | Range | 6145 | |
Mean | −3379.116 | Mean | −3250.780 | Mean | −3595.229 | Mean | −3265.132 | |
Median | −3351 | Median | −3231 | Median | −3534 | Median | −3218 | |
D(m-m) | −28.1 | D(m-m) | −19.8 | D(m-m) | −61.2 | D(m-m) | −47.1 | |
First quartile | −4044 | First quartile | −3938 | First quartile | −4266 | First quartile | −3760 | |
Third quartile | −2753 | Third quartile | −2677 | Third quartile | −2965 | Third quartile | −2740 | |
Standard error | 5.8815 | Standard error | 6.9695 | Standard error | 10.2448 | Standard error | 6.7341 | |
95% confidence interval | 11.5274 | 95% confidence interval | 13.6594 | 95% confidence interval | 20.0781 | 95% confidence interval | 13.1978 | |
99% confidence interval | 15.1487 | 99% confidence interval | 17.9501 | 99% confidence interval | 26.3840 | 99% confidence interval | 17.3430 | |
Variance | 1,062,886.233 | Variance | 936,398.946 | Variance | 1,201,540.319 | Variance | 573,656.248 | |
Average deviation | 792.689 | Average deviation | 753.516 | Average deviation | 835.902 | Average deviation | 599.856 | |
Standard deviation | 1030.964 | Standard deviation | 967.677 | Standard deviation | 1096.148 | Standard deviation | 757.401 | |
Coefficient of variation | −0.3051 | Coefficient of variation | −0.2977 | Coefficient of variation | −0.3049 | Coefficient of variation | −0.2320 | |
Skew | 0.213 | Skew | 0.366 | Skew | 0.188 | Skew | −0.173 | |
Kurtosis | 1.257 | Kurtosis | 1.233 | Kurtosis | 1.219 | Kurtosis | 0.569 | |
Kolmogorov-Smirnov stat | 0.044 | Kolmogorov-Smirnov stat | 0.052 | Kolmogorov-Smirnov stat | 0.041 | Kolmogorov-Smirnov stat | 0.044 | |
Critical K-S stat, alpha = 0.10 | 0.007 | Critical K-S stat, alpha = 0.10 | 0.009 | Critical K-S stat, alpha = 0.10 | 0.011 | Critical K-S stat, alpha = 0.10 | 0.011 | |
Critical K-S stat, alpha = 0.05 | 0.008 | Critical K-S stat, alpha = 0.05 | 0.010 | Critical K-S stat, alpha = 0.05 | 0.013 | Critical K-S stat, alpha = 0.05 | 0.012 | |
Critical K-S stat, alpha = 0.01 | 0.009 | Critical K-S stat, alpha = 0.01 | 0.012 | Critical K-S stat, alpha = 0.01 | 0.015 | Critical K-S stat, alpha = 0.01 | 0.014 |