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  1. K

    What tests can I use?

    Basically, I have to variables Carbon Monoxide (CO) and Black Smoke. I have to test whether black smoke influences the level of CO in the atmosphere at a specific site. I'm not particularly good at stats, can someone please let me know what tests I can do on Minitab to test correlation. So...
  2. K

    Scatterplot relationship issue.

    Hi, the data below is just a sample of the data I am trying to enter into a scatterplot. The issue is that a previous correlation test shows a p value of 0.011, a clear relationship. However, when I took the averages of 196 entries of the data below, the scatterplot shows little...