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The formula for the Z-Statistic is:
SD/SE
observed/expected
expected/observed
None of these
(observed-Expected)/SE
You may use the calculator above and this area as scratch paper. To see the solution just click on the button.
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