LSuper Posted February 20, 2020 Report Share Posted February 20, 2020 I did an experiment on the effect of fertilizer on dissolved oxygen levels, and tested it over the span of 5 days. Each day I collected data for 60 seconds, so I have a bunch of data. do I need to calculate the standard deviation, and do a T-test??? that just seems like a lot of un-needed work. Reply Link to post Share on other sites More sharing options...
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