TWO-SAMPLE PROFICIENCY ANALYSIS (BASED ON E 2489 - 06 STANDARD) Table 1: Test Results Sorted by Lab ID ================================================ Sample One Sample Two Lab Test Result Test Result ================================================ 1 1.2200 1.2600 2 1.6200 1.9100 3 1.8200 1.2000 4 0.6000 1.0000 5 2.7500 2.4100 6 1.5500 1.2600 7 1.1700 1.5700 8 1.7600 1.2800 9 1.3500 0.9300 10 1.1800 1.2100 11 1.1900 1.2600 12 1.7100 0.4200 13 2.0300 2.2100 14 1.1000 1.3300 15 1.8400 1.8100 16 1.3900 1.1200 17 1.1300 1.0800 18 1.6600 1.4500 19 1.2800 1.2000 20 1.2400 0.7100 21 0.6900 0.7700 22 1.5400 1.3900 23 1.4300 1.5200 24 0.8400 1.2700 25 0.9800 0.9900 26 1.9700 2.2400 27 4.8900 5.2800 28 1.8500 1.7800 29 1.0900 1.2000 30 1.0700 1.2400 ================================================ Table 2: Random Error Quantities in Descending Order ========================================================================================================= Random Error Sample One Sample Two Quantities Within-Laboratory Count of Labs Lab Test Result Test Result (X-Y)-(Xmed-Ymed) Category ========================================================================================================= 12 1.7100 0.4200 1.1800 Unusual 3 1.8200 1.2000 0.5100 Typical 20 1.2400 0.7100 0.4200 Typical 8 1.7600 1.2800 0.3700 Typical 9 1.3500 0.9300 0.3100 Typical 5 2.7500 2.4100 0.2300 Typical 6 1.5500 1.2600 0.1800 Typical ========================================================================================================= 8 from Top 16 1.3900 1.1200 0.1600 Typical ========================================================================================================= 18 1.6600 1.4500 0.1000 Typical 22 1.5400 1.3900 0.0400 Typical 19 1.2800 1.2000 -0.0300 Typical 28 1.8500 1.7800 -0.0400 Typical 17 1.1300 1.0800 -0.0600 Typical 15 1.8400 1.8100 -0.0800 Typical 15 from Top 25 0.9800 0.9900 -0.1200 Typical ========================================================================================================= 16 from Top 10 1.1800 1.2100 -0.1400 Typical 1 1.2200 1.2600 -0.1500 Typical 11 1.1900 1.2600 -0.1800 Typical 21 0.6900 0.7700 -0.1900 Typical 23 1.4300 1.5200 -0.2000 Typical 29 1.0900 1.2000 -0.2200 Typical 30 1.0700 1.2400 -0.2800 Typical ========================================================================================================= 8 from Bottom 13 2.0300 2.2100 -0.2900 Typical ========================================================================================================= 14 1.1000 1.3300 -0.3400 Typical 26 1.9700 2.2400 -0.3800 Typical 2 1.6200 1.9100 -0.4000 Typical 27 4.8900 5.2800 -0.5000 Typical 7 1.1700 1.5700 -0.5100 Typical 4 0.6000 1.0000 -0.5100 Typical 24 0.8400 1.2700 -0.5400 Typical ========================================================================================================= Median for Sample One (Xmed) = 1.370000 Median for Sample Two (Ymed) = 1.260000 Random Error Quantities Statistics: Median = -0.1300000 Upper Hinge (Median of Top Half) = 0.1600000 Lower Hinge (Median of Bottom Half) = -0.2900001 Interquarile Range = 0.4500000 3 X Interquarile Range = 1.350000 Outer Fence (Upper) = 1.510000 Outer Fence (Lower) = -1.640000 1.5 X Interquarile Range = 0.6750001 Inner Fence (Upper) = 0.8350000 Inner Fence (Lower) = -0.9650002 Reproducibility Standard Deviation (IQR/1.35) = 0.3333334 Table 3: Test Results Sorted in Descending Order =================================================================================================== Sample One Between-Laboratory Sample Two Between-Laboratory Test Category Test Category Count of Labs Lab Result Sample One Result Sample Two =================================================================================================== 27 4.8900 Extremely Unusual 5.2800 Extremely Unusual 5 2.7500 Unusual 2.4100 Unusual 26 1.9700 Typical 2.2400 Typical 13 2.0300 Typical 2.2100 Typical 2 1.6200 Typical 1.9100 Typical 15 1.8400 Typical 1.8100 Typical 28 1.8500 Typical 1.7800 Typical =================================================================================================== 8 from Top 7 1.1700 Typical 1.5700 Typical =================================================================================================== 23 1.4300 Typical 1.5200 Typical 18 1.6600 Typical 1.4500 Typical 22 1.5400 Typical 1.3900 Typical 14 1.1000 Typical 1.3300 Typical 8 1.7600 Typical 1.2800 Typical 24 0.8400 Typical 1.2700 Typical 15 from Top 6 1.5500 Typical 1.2600 Typical =================================================================================================== 16 from Top 11 1.1900 Typical 1.2600 Typical 1 1.2200 Typical 1.2600 Typical 30 1.0700 Typical 1.2400 Typical 10 1.1800 Typical 1.2100 Typical 19 1.2800 Typical 1.2000 Typical 29 1.0900 Typical 1.2000 Typical 3 1.8200 Typical 1.2000 Typical 16 1.3900 Typical 1.1200 Typical 17 1.1300 Typical 1.0800 Typical 4 0.6000 Typical 1.0000 Typical 25 0.9800 Typical 0.9900 Typical 9 1.3500 Typical 0.9300 Typical 21 0.6900 Typical 0.7700 Typical 20 1.2400 Typical 0.7100 Typical 12 1.7100 Typical 0.4200 Unusual =================================================================================================== Sample Two Statistics: Median of Test Results = 1.260000 Upper Hinge (Median of Top Half) = 1.570000 Lower Hinge (Median of Bottom Half) = 1.120000 Interquarile Range = 0.4499999 3 X Interquarile Range = 1.350000 Outer Fence (Upper) = 2.920000 Outer Fence (Lower) = -0.2299998 1.5 X Interquarile Range = 0.6749999 Inner Fence (Upper) = 2.245000 Inner Fence (Lower) = 0.4450001 Reproducibility Standard Deviation (IQR/1.35) = 0.3333333 Table 4: Summary of Results for Samples One and Two for Two-Sample Program ===================================================================================================================== Between-Laboratory Between-Laboratory Random Error Sample One Category for Sample Two Category for Quantities Within-Lab Lab Test Result Sample One Test Result Sample Two (X-Y)-(Xmed-Ymed) Category ===================================================================================================================== 1 1.2200 Typical 1.2600 Typical -0.1500 Typical 2 1.6200 Typical 1.9100 Typical -0.4000 Typical 3 1.8200 Typical 1.2000 Typical 0.5100 Typical 4 0.6000 Typical 1.0000 Typical -0.5100 Typical 5 2.7500 Unusual 2.4100 Unusual 0.2300 Typical 6 1.5500 Typical 1.2600 Typical 0.1800 Typical 7 1.1700 Typical 1.5700 Typical -0.5100 Typical 8 1.7600 Typical 1.2800 Typical 0.3700 Typical 9 1.3500 Typical 0.9300 Typical 0.3100 Typical 10 1.1800 Typical 1.2100 Typical -0.1400 Typical 11 1.1900 Typical 1.2600 Typical -0.1800 Typical 12 1.7100 Typical 0.4200 Unusual 1.1800 Unusual 13 2.0300 Typical 2.2100 Typical -0.2900 Typical 14 1.1000 Typical 1.3300 Typical -0.3400 Typical 15 1.8400 Typical 1.8100 Typical -0.0800 Typical 16 1.3900 Typical 1.1200 Typical 0.1600 Typical 17 1.1300 Typical 1.0800 Typical -0.0600 Typical 18 1.6600 Typical 1.4500 Typical 0.1000 Typical 19 1.2800 Typical 1.2000 Typical -0.0300 Typical 20 1.2400 Typical 0.7100 Typical 0.4200 Typical 21 0.6900 Typical 0.7700 Typical -0.1900 Typical 22 1.5400 Typical 1.3900 Typical 0.0400 Typical 23 1.4300 Typical 1.5200 Typical -0.2000 Typical 24 0.8400 Typical 1.2700 Typical -0.5400 Typical 25 0.9800 Typical 0.9900 Typical -0.1200 Typical 26 1.9700 Typical 2.2400 Typical -0.3800 Typical 27 4.8900 Extremely Unusual 5.2800 Extremely Unusual -0.5000 Typical 28 1.8500 Typical 1.7800 Typical -0.0400 Typical 29 1.0900 Typical 1.2000 Typical -0.2200 Typical 30 1.0700 Typical 1.2400 Typical -0.2800 Typical ===================================================================================================================== Reproducibility Standard Deviation for Sample One = 0.4666667 Reproducibility Standard Deviation for Sample Two = 0.3333333 Pooled Reproducibility Standard Deviation = 0.4055175 Repeatability Standard Deviation = 0.2357023