1. A graphical user interface for a quality analysis computer program, the interface and computer program being stored as computer-readable instructions on a computer-readable medium, the interface comprising: a first display area for displaying graphical representations of statistical data; a second display area for displaying: one or more quality analysis project steps in a quality analysis project; one or more statistical tool categories associated with the one or more quality analysis project steps; one or more statistical tools associated with the one or more statistical tool categories.