The Kruskal–Wallis Non-Parametric Hypothesis Test is used when a variable does not meet the normality assumptions of one-way ANOVA
Mann-Whitney Non Parametric Hypothesis Test is used to compare two sample means that come from the same population.
A spaghetti diagram is a visual flow of the activity of a process and is used to reduce waste and identify areas for improvement.
A business assessment process is a continual cycle looking at your current situation, where you want to be, and how you can get there.
Ask ten people, “What is quality?” and you’ll get ten different answers. Look at industry definitions of ‘quality’ and how to measure it.