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There are two list: 2,5,8,7,4,10 and 16,40,64,56,32,80. What are the average and the SD?
  • Two averages and SDs are the same
  • Two averages are the same but two SDs are not the same
  • Two averages are not the same but two SDs are the same
  • The First ave and SD are 8 times of the Second ave and SD
  • The Second ave and SD are 8 times of the First ave and SD
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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