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 Essentially, an eCheck or electronic check is a form of online payment where money is electronically withdrawn from the payerâs checking account, transferred over the ACH network, and deposited into the payeeâs checking account.
Photo by Â©iStock.com/kitiara65/http://istockpho.to/1SWVugO. Electronic cigarettes (also called e-cigarettes or electronic nicotine delivery systems) are battery-operated devices designed to deliver nicotine with flavorings and other chemicals to users in vapor instead of smoke.