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    Spearman Rank + Quadratic Regression (spps) HELP! x

    What is multicollinearity? Attached is my scatter plot. Many thanks
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    Spearman Rank + Quadratic Regression (spps) HELP! x

    Hello, Sorry but I'm not very skilled in this area, I am using SPSS. My equation was: No. of Bivalvia = -2.78 + (29.01 x Salinity) + (0.07 x Salinity)^2 Hope this clarifies
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    Spearman Rank + Quadratic Regression (spps) HELP! x

    Hi, I'm trying to find out if there is a significant correlation between salinity and no. of Bivalves found on a shore. I did a Spearman Rank and this was my result: "There was a statistically significant correlation between Salinity and the number of Bivalvia individuals (Spearman Rank...