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v.8.7.009. EPA <br /> EPA OUTLIER TEST <br /> - 1 <br /> 5 <br /> n = 59. Mean = 0.9409, <br /> after outlier removal <br /> 0.9568. <br /> Std. Dev. = 0.7539 <br /> after outlier removal <br /> 0.7505. <br /> Critical Tn= 3.019 <br /> after outlier removal <br /> 3 3.013. <br /> Statistical outliers <br /> are shown as solid squares. <br /> z Warning: data, after <br /> 2 outlier removal, were <br /> L F�1 found to be neither normally <br /> nor log-normally distributed. <br /> _ Normality test used: <br /> Shapiro Francia. <br /> 1W Statistic = 0.9105 <br /> - W Quantile = 0.961 <br /> F_ <br /> - U �l <br /> 0 — <br /> Nov 1993 Jul 2001 Feb 2009 <br /> Note: EPA guidance directs that statistical outliers should not be removed or altered unless independent evidenc <br /> error exists. <br /> Constituent: Nitrate as N (mg/L) Facility: French Camp LF Data File: FRENCHIN <br /> Date: 3/19/09, 11:28 AM Client: French Camp LF view: Batch <br /> ERST & A IATES, INC.' <br />