The Imply is frequently denoted as x̄, pronounced "x bar," as well as in other employs if the variable will not be x, the bar notation is a standard indicator of some method of the mean. In the specific case of the population mean, as opposed to using the variable https://lite.evernote.com/note/39e4ef4d-6fd2-87ba-2ee1-53bc46c741b2