Applied Software Project Management by Andrew Stellman, Jennifer Greene The unconfirmed error reports are from readers. They have not yet been approved or disproved by the author or editor and represent solely the opinion of the reader. Here's a key to the markup: [page-number]: serious technical mistake {page-number}: minor technical mistake : important language/formatting problem (page-number): language change or minor formatting problem ?page-number?: reader question or request for clarification This page was updated April 27, 2007. UNCONFIRMED errors and comments from readers: [65] 2nd paragraph; If CPI is greater than 100%, the work cost less effort than planned; a CPI under 100% means that the estimate was not adequate for the work involved.