The Friedman non parametric hypothesis test is an alternative to the one-way ANOVA with repeated measures.
Mood’s median non parametric hypothesis test compares the medians of two independent samples to determine if they are the same.
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.