Advances in Materials Science and Engineering Assessment of Gamma Radiation Hazards Related to Geologic Materials: Comparison of Results by Field Gamma Spectrometry and Laboratory Methods

Table 3

Results ( values) of statistical tests for paired comparisons of estimations of the activity concentration index () values.

	N	Sign test value	Wilcoxon value
(field) and (ICP)	23	0.000004	0.00003
(field) and (LGS)	23	0.000030	0.00003
(ICP) and (LGS)	23	0.000175	0.00047