Lean Six Sigma Contingency Diagram

An application used to test the relationship between two variables.
Lean six sigma contingency diagram. Definition of contingency table. Any anomaly or element can be considered as risk depending on the severity of its impact frequency of occurrence of its cause or the incapability of the control system to detect a cause. 5 why s the 5 why s typically refers to the practice of asking five times why the failure has occurred in order to get to the root cause causes of the. Lean six sigma terminology 1 sample sign test this is used to test the probability of a sample median being equal to hypothesized value.
For example a financial research firm decides to investigate whether there is a relationship between reports that are completed in less than or equal to 3 days and those that make accurate predictions. You don t have to be professional in diagram designing. A 70 b 76 c 80 d 100. Simply choose a ready made six sigma template and edit with you own information.
She is also a lean six sigma green belt instructor at uc san diego and teaches in san diego state university s lean enterprise program. Making things visible is a big part of both six sigma and lean and the matrix diagram is one tool that can bring to the forefront relationships of interest. All six sigma templates are ready to use and available to customize. Part of the analyze phase in the dmaic six sigmas methodology is to verify the potential root causes with hypothesis testing.
On the basis of this information what is the expected number of oil changes for station 1. Contingency table and chi square test. It is not only applicable in a six sigma project but also in any it project management and general purpose risk analysis risk management. For almost 20 years she has helped leading organizations like washington state charles schwab and ge build problem solving muscles.
Six sigma in its most simple form is a methodology that allows you to test your process management innovation and improvement using both empirical and statistical methods. This is a contingency table question. 2 sample t test used for testing hypothesis about the location two sample means being equal. Through easy to use tools and abundant pre built symbols edraw helps users achieve best diagram design result with the least effort.
By shmula last updated november 22 2010. The following contingency table was developed for an organization. What is a fishbone diagram aka cause effect diagram. It emerged out of the quality movement and takes a deep look at processes and products and how you can improve them.