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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
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    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