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25 Draws are made from a box with an average of 60 and an SD of 10. 100 Draws are made from the second box with an average of 40 and an SD of 5. Find the Expected value and Standard Error for the difference.
  • EV = 20, SE = 2
  • EV = 100, SE = 2.83
  • EV = 100, SE = 2
  • Ev = 20, SE = 3.82
  • EV = 20, SE = 2.83
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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