Homework Help: statistics

Posted by mom on Thursday, October 4, 2012 at 11:01am.

If the correlation coefficient is -0.54, what is the sign of the slope of the regression line?
- As the correlation coefficient decreases from 0.86 to 0.81, do the points of the scatter plot move toward the regression line, or away from it

statistics - PsyDAG, Friday, October 5, 2012 at 5:55pm
It goes from upper left to lower right, so what would the sign be?

There is more variability as the correlation coefficient decreases, so away.

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