Before Prism 8, there was one analysis called "Column Statistics". Its functions have now been divided into three analyses, all new with Prism 8:
If you open a file created with an earlier version of Prism that used the Column Statistics analysis, its results will be fine in Prism 8. You'll be able to bring up the dialog and inspect and change the choices. But for new files, you won't be able to use that older, overloaded analysis, and instead should use one or more of the new analyses.