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Attachment B <br />Table 2 <br />ProUCL Output <br />Waste Water Pollution Control Plant, Waste Water Treatment Wetland Project, City of San Leandro, San Leandro, California <br />565 <br />566 <br />567 <br />568 <br />569 <br />570 <br />571 <br />572 <br />573 <br />574 <br />575 <br />576 <br />577 <br />578 <br />579 <br />ABCDEFGHI JKL <br /> 507 580.7 <br /> 683 883.9 <br /> 434.6 <br /> 99% Chebyshev(Mean, Sd) UCL <br />Suggested UCL to Use <br /> 97.5% Chebyshev(Mean, Sd) UCL <br /> 90% Chebyshev(Mean, Sd) UCL 95% Chebyshev(Mean, Sd) UCL <br />If the data were collected using judgmental or other non-random methods, <br />then contact a statistician to correctly calculate UCLs. <br />Note: Suggestions regarding the selection of a 95% UCL are provided to help the user to select the most appropriate 95% UCL. <br />However, simulations results will not cover all Real World data sets; for additional insight the user may want to consult a statistician. <br />Recommendations are based upon data size, data distribution, and skewness using results from simulation studies. <br />95% Student's-t UCL <br />The calculated UCLs are based on assumptions that the data were collected in a random and unbiased manner. <br />Please verify the data were collected from random locations. <br />Page: 13 of 13 Terraphase Engineering Inc.