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A test finds the following relationships between 8th grade fianl scores and SAT scores. Ave. 8th grade fianls= 90 SD= 3.5 Ave. SAT Scores = 1200 SD= 30 r= 0.5 Find the R.M.S. error of the regression line.
  • 25.98
  • 35.45
  • 31.09
  • 23.23
  • 11.11
  • *****
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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