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The Ave weight of a test tube was 22 grams after 100 measurements. The SD was 2.3 grams. What is the SE for the Ave. .23 grams .27 grams .31 grams .18 grams .16 grams

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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