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v.8.7.009. EPA m.a.0.01 <br /> EPA OUTLIER TES <br /> - 1 <br /> 3000- <br /> n = 58. Mean= 270, <br /> after outlier removal <br /> 2500 230.9. <br /> Std. Dev. = 340.3, after <br /> outlier removal 165.8. <br /> Critical Tn = 3.013 <br /> after outlier removal <br /> 200 3.006. <br /> Statistical outliers <br /> 150 are shown as solid squares. <br /> Data, after outlier removal, <br /> were found to be log-normally <br /> distributed. <br /> 100 Normality test used: <br /> Shapiro Francia. <br /> W Statistic = 0.9768 <br /> — <br /> W Quantile — 0.961 <br /> I <br /> 50 <br /> i <br /> r � Yo <br /> ] rt <br /> Mar 1991 Apr 2000 May 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: AUSTININ <br /> Date: 6/10/09, 3:37 PM Client: Austin Road LF View: Batch <br /> 49 49 nRST & A IATES, INC <br />