What is 'Standard Deviation' Standard deviation is a measure of the dispersion of a set of data from its mean. It is calculated as the square root of variance by determining the variation between each data point relative to the mean. If the data points are further from the mean, there is higher deviation within the data set.
Definition of INTEROPERABILITY. : ability of a system (as a weapons system) to work with or use the parts or equipment of another system.â inÂ·terÂ·opÂ·erÂ·aÂ·ble \-Ëae-ËÃ¤(p-)É-rÉ\ bÉl. ADJECTIVE. advertisement ability of a system (as a weapons system) to work with or use the parts or equipment of another system. â inÂ·terÂ·opÂ·erÂ·aÂ·ble \-Ëae-ËÃ¤(p-)É-rÉ\ bÉl. adjective
RCH Portability is the only program proven to routinely transfer participantsâ balances from one plan to another, when they change jobs, resulting in: 1  Higher average balances / increased retirement readiness. 2  Lower cash out levels. 3  Fewer lost & missing participants.  Reduced fiduciary risk.