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=−99.98x+51.42y=-99.98x+51.42and...

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=−99.98x+51.42y=-99.98x+51.42and the r2=0.2704r2=0.2704.


What is the correlation coefficient for this data set?

r =