The process for finding the SD can be long and tedious. However, there is
a short-cut method used to find the SD in a box model. In order to use
this short-cut method the conditions must be that:

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