The following sample observations were randomly selected. X : 5 3 6 3 4 4 6 8 Y : 13 15 7 12 13 11 9 5 Solution Ex = 39 Ex^2=211 Ey =85 Ey^2=983 Exy =378 X Y N MEAN 4.873 10.625 vAR 2.9821 11.4107 sTD.DEV 1.7269 3.378 STD.ERR .6105 1.1943 r r^2 slope y intercept std.err estd .891 .794 -1.743 19.1198 1.6579 p one tailed 0.0015 p two tailed 0.003.

1. The following sample observations were randomly selected. X : 5 3 6 3 4 4
6 8 Y : 13 15 7 12 13 11 9 5
Solution
Ex = 39 Ex^2=211 Ey =85 Ey^2=983 Exy =378 X Y N MEAN 4.873 10.625 vAR
2.9821 11.4107 sTD.DEV 1.7269 3.378 STD.ERR .6105 1.1943 r r^2 slope y intercept std.err
estd .891 .794 -1.743 19.1198 1.6579 p one tailed 0.0015 p two tailed 0.003