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Mark, Jean, and Sam all took the SAT's. There Scores were : 600, 625, 700. They had an average of 642 and an SD of 42.5. Convert these numbers into Standard Units.
  • 642.5, 667.5, 742.5
  • 1, .4, 1.4
  • 1.5, .4, 1
  • 1, 1, 1
  • -1, .4, 1.4
  • *****
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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