Question: You generate a scatter plot using Excel. You then have Excel plot the trend line and report the equation and the r2r2 value. The regression

You generate a scatter plot using Excel. You then have Excel plot the trend line and report the equation and the r2r2 value. The regression equation is reported asy=33.95x+27.55

y=-33.95x+27.55

and the r2=0.6084r2=0.6084. What is the correlation coefficient for this data set? r =

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