Posted by noell on .
draw scatterplots one for which the pearson correlation coefficient is r=1
and r=1
Stuck on how to get started

MathStatistics 
PsyDAG,
r = 1 gives a diagonal line going from upper left to lower right.
r = +1 gives a diagonal line going from lower left to upper right.
The angle of the line will depend on the values used for the two variables.