Question

If you have a scatter plot graph and it reads moderate positive correlation is r=0.5

When you look at the r value how is that represented on the scatter plot?

Answer 1

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In a scatter plot a moderate value of r = .50 is basically all data points scattered around a line of best fit, but the scattering is not very random, there is a "moderate" alignment of the data points to the best-fit line.

To illustrate best this is how moderate/weak / strong r scatter plot will look like. Upper Right is +.50 correlation.