Students wishing to build a concentration in Decision Analysis can build additional skills in operation research mathematical modeling that would compliment the statistics courses. The number of credits remains at 33 and the core courses in the M.S. Statistics are the same with the exception of STAT 603 which is optional. In addition, in place of the Signature Courses there are four operations research courses. Students declaring the Decision Sciences concentration in the Operations Research M.S. degree will take the following.