Table 4.

Determination of TDF in GOS ingredients and precision data using both robust and classical statistics.

Sample	TDF concentration (g/100 g)		RSD (r) (%)		RSD (iR) (%)
	Median	Mean	Robust	Classical	Robust	Classical
GOS-1A	22.2	21.2	0.5	1.0	1.1	2.2
GOS-1B	22.0	21.9	0.3	1.0	3.0	2.1
GOS-2	31.1	31.3	0.9	1.0	2.9	2.7
GOS-3A	31.7	31.7	1.1	1.1	2.7	1.8
GOS-3B	40.5	40.5	1.1	1.0	2.2	1.6
GOS-4	17.5	17.5	2.3	1.9	1.8	1.5
GOS-5	56.2	56.6	0.8	0.7	1.5	2.5
GOS-6	26.0	26.0	0.7	0.5	1.5	1.2