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v.8.7.009. EPA m.a.0.01 <br /> EPA OUTLIER TEST <br /> 2000- <br /> n = 86. Mean = 953.3, <br /> after outlier removal <br /> 964.5, 971.3. <br /> Std. Dev. = 252.1, after <br /> 150 outlier removal 231, <br /> 223.6. <br /> Critical Tn = 3.155 <br /> after outlier removal <br /> 3.151, 3.147. <br /> C I I Statistical outliers <br /> 100 <br /> T - are shown as solid squares. <br /> C Warning: data after <br /> C L-1 outlier removal, were <br /> � l�- found to be neither normally <br /> nor log normally distributed. <br /> Normality test used: <br /> DO 50 Shapiro Francia. <br /> W Statistic = 0.2189 <br /> W Quantile = 0.972 <br /> 0 <br /> Dec 1988 Apr 1999 Aug 2009 <br /> Note: EPA guidance directs that statistical outliers should not be removed or altered unless independent evidenc <br /> error exists. <br /> nstituent: Specific Conductance [Field] (umhos/cm) Facility: Austin Road LF Data File: AU IN <br /> Date: 9/16/09, 4:14 PM Client: Austin Road LF View: Batch HERST & ASSOCIATES, INc- <br />