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When drawing at random with replacement from a box, the standard error for the sum of draws is equal to: (sqrt #draws )X( SDof box) (# draws) X ( ave of box) The SD of the box (# of the draws) X( SD of box) ( SDof box)^2

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