Study on the Parameter Equation of Coal and Gas Outburst Hole

Table 4

Correlation between CGO coal quantity and throw distance.

Array	Spearman’s rho	CGO coal quantity	Throw distance
CGO coal quantity	Correlation coefficient	1.000	0.821
	Sig. (bilateral)	—	0.000
	N	79	79
Throw distance	Correlation coefficient	0.821	1.000
	Sig. (bilateral)	0.000	—
	N	79	79

When the confidence (double test) is 0.01, the correlation is significant.