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The next set of questions assumes that the scatter plot in question is football-shaped, and that the Averages of both X and Y are 50, and SD's of both X and Y are 10. If the RMSE is zero, then the correlation is -1 +1 Either +1 or -1 0 cannot be determined from the information given

You may use the calculator above and this area as scratch paper. To see the solution just click on the button.

Carlos Rodriguez <carlos@math.albany.edu>

This problem was contributed by a student in Elementary Statistics. It is offered as it is with no warranty of any kind
Last modified: Wed May 13 12:29:11 EDT 1998