The Mean is commonly denoted as x̄, pronounced "x bar," and also in other uses once the variable will not be x, the bar notation is a standard indicator of some type of the indicate. In the precise case in the populace signify, rather than using the variable x̄, the https://lite.evernote.com/note/39e4ef4d-6fd2-87ba-2ee1-53bc46c741b2