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A grad school wants to predict first year scores from results of previous years GMAT scoresand first year grades. Ave GMAT score 125 SD 8 AVE 1st year score 85 SD 5 correlation coefficient 0.5 the r.m.s. error fo the line is?
  • 4.33
  • 2.50
  • 2.79
  • 6.15
  • 5.89
  • *****
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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