Data Entry 2 columns Type-in: x space y, Paste-in: adjacent Excel columns                 MOUSE DOWN FOR RANDOM DATA & PLOT THEN HOLD, GUESS  r , (Is it strong or weak, + or - ?), RELEASE, COMPARE	Data Summary X Y N  Mean  Variance  Std.Dev.  Std.Err.  r r2 Slope Y-Inter/ Std Err. t df   P   one-tailed two-tailed