Table 4.

Summary measures of linear regressions comparing primary youth moss samples with youth replicates, and primary youth moss samples with expert replicates.

	Youth–Youth (n = 18)				Youth–Expert (n = 17)
Metal	Slope	Intercept (mg/kg)	R2	RMSE 1 (mg/kg)	Slope	Intercept (mg/kg)	R2	RMSE (mg/kg)
As	1.11	−0.23	0.74	0.35	0.89	0.10	0.32	0.50
Cd	1.11	−0.04	0.86	0.18	0.48	0.19	0.36	0.30
Co	1.03	−0.12	0.85	0.27	1.08	0.38	0.46	0.52
Cr	0.94	−0.28	0.82	3.37	0.95	4.97	0.40	6.01
Ni	0.72	1.26	0.70	1.35	0.31	4.78	0.09	2.70
Pb	0.95	−1.10	0.87	3.40	1.54	−1.48	0.59	11.34

¹ Root mean square error.