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I thank you all for your contributions. I will come around again!!!

The reason for collecting a sample per month is because of the distance of the treatment work to the laboratory. It takes about 5 hours journey Thank you for the links...the first two links are not really relevant since I will be using SPSS, the third link was helpful. I wish for more similar guide I thought I stated the parameters (pH, BOD, etc). and Yes I want to find assoication between the parameters. Collecting more parameters; the research is limited to the time stipulated. Can please throw more light on "Random data mining.......". (Just reading the Ioannidis paper). You sounded more enlighten on the use of statistic, please do give more guide..Thank you

A new dude, I think I have Water, wastewater and microbes encoded in my destiny!!!

• I am about working on the Final effluent of a Waste water treatment plant. I will be collecting samples for a period of 12 months; 1 (one) sample per month. Sample collections will be split between autumn, winter, summer and spring. The physiochemical parameters like Temperature, pH, Electrical conductivity (EC), Turbidity, total dissolved oxygen (TDS) and dissolved oxygen (DO) will be taken along with the microbiological components like bacteria (Feacal coliform , E.coli and Vibrio) and viruses (Enteri virus, Rotavirus, Norovirus and Adenovirus)will also be looked into. The whole data collected is to access the quality of the final effluent wastewater and what interaction exist between the physiochemical components and microbiological components • I want to know which statistic analysis method best analyse the data collected and why? • If more than one statistic method can be use, please can all responders be simple and clear about their explanation on their choice of methods. Advices and suggestions will be highly appreciated. Thank you