Definition: Interquartile range is the measure of dispersion which is the difference in the values of two quartiles. The Lower Quartile is denoted as Q 1 and the Upper Quartile is denoted as Q 3.
What is an eCheck? Essentially, an eCheck or electronic check is a form of online payment where money is electronically withdrawn from the payerâs checking account, transferred over the ACH network, and deposited into the payeeâs checking account.
Electronic Check Presentment - ECP. A process that allows financial institutions to exchange digital images of checks instead of paper to increase the speed of of the check cashing process. The signing of the Check Clearing for the 21st Century Act by President Bush permitted the use of electronic check presentment (ECP).