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Table 4:

Results from statistical analysis of parameter pairs.
Param 1 Param 2 N $\tau_{\rm Kend}$ $\rho_{\rm Spear}$
$\log{\dot{M}_{\rm acc}}$ Age 16 0.05 0.08
Bz $\log{\dot{M}_{\rm acc}}$ 16 0.68 0.57
$\log{L_{\rm x}}$ Age 19 0.13 0.28
Bz $\log{L_{\rm x}}$ 19 0.09 0.07
Bz $\log{(L_{\rm x}/L_{\rm bol})}$ 19 0.14 0.19
Bz $P_{\rm rot}$ 20 0.50 0.42
Bz Age 27 0.03 0.05
Notes: Parameter pairs are given in Cols. 1 and 2. N is the number of data points, $\tau_{\rm Kend}$ and $\rho_{\rm Spear}$ denote the probability for no correlation according to Kendall's and Spearman's rank order correlation test, i.e. small numbers indicate that a correlation is present.

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