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If 625 draws were taken from a box with an actual Ave of 83.7 with an SD of 29. The null hypothesis says that the Ave is 81 while the alternative hypothesis says that the Ave is more than 81. Find the z-value and either accept or reject the null hypothesis.
  • 2.0, accept
  • 2.3, reject
  • 2.5, accept
  • 1.9, reject
  • 2.6, accept
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    Carlos Rodriguez <>
    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