AOAC SPIFAN WPC ERP-Final Action Review (Nov. 2017)

2016.15 (Nov. 2017) - WPC-31 MLT-Final Action Review

FOR ERP USE ONLY DO NOT DISTRIBUTE

Table 2016.15I: Statistical analyses before and after removal of outliers

SPIFAN 1

Formula 3

Formula 5

Formula 7

Before*

After*

Before*

After*

Before*

After*

Before*

After*

p

19 38

18 36

19 38

17 34

19 38

18 36

19 38

18 36

Sum(n(L)) XBARBAR

56.35

56.62

73.24

73.67

69.26

69.07

69.41

69.07

s(r) s(R)

0.94 1.77 1.67 3.14 2.18 1.44

0.90 1.35 1.58 2.38 2.18 1.09 N/A

0.61 1.68 0.83 2.30 2.10 1.10

0.59 1.12 0.81 1.52 2.10 0.73 N/A

1.26 2.22 1.82 3.20 2.11 1.51

0.84 2.01 1.22 2.91 2.11 1.38 N/A

1.09 2.00 1.57 2.89 2.11 1.37

0.84 2.01 1.22 2.91 2.11 1.38 N/A

RSD(r) RSD(R)

RSDH

HorRat

Outlier test

17 C

2+16 DG

17 C

17 C

Declared value %of declared

53

53

70

70

70 99

70 99

70 99

70 99

106

107

105

105

* Before or after removal of indicated outliers