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On a test for a civil service job, only people who score one standard deviation above the mean can be excepted. The scores are: 90, 90, 97, 98, 88, 91, 88, 86. What was the cut off point? And how many people got excepted?
  • 94, 2
  • 95, 3
  • 93, 2
  • 96, 3
  • 95, 2
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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