MannAlissa Posted August 29, 2016 Report Share Posted August 29, 2016 (edited) Hey everyone, Our experiments for our IAs are starting soon and I am not sure which statistical analysis to use - here is my experimental method and idea so far (haven't checked it with my teacher yet, any improvements or suggestions are welcome!) To look at how pollution affects plant growth I want to investigate the affects of acid rain on seed germination. I would do this by growing my own cress, but watering the different cress plants (in separate pots) with water of different pH, so to simulate normal rain water I would use water of 5.6 (pH) and to simulate acid rain I would use a pH of 4 or lower. I am not really sure yet how I will split the plants up and how to measure the effects other than observing but once again, if you have any advice, that would help me a lot! Now to my actual question: How do I analyse my results statistically? I was thinking of using the t-test but I am horrible at statistical analysis. Thank you! Edited August 29, 2016 by MannAlissa Reply Link to post Share on other sites More sharing options...
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