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You take 900 draws at random from a large box. The null hypothesis says that the AVE of the box equals 75. The actual AVE of the box is 77.5, and the SD is 32. Compute z.
  • 2.56
  • 2.34
  • 4.12
  • 1.34
  • 1.82
  • *****
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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