DMAIC
Develop a charter, collect VOC and kickoff project
What is the define phase?
A visual representation of any data that is collected over time
What is a time ordered (or series) plot?
DPMO
Dividing data into groups based on key characteristics
What is data stratification?
Variation that is always present to some degree.
What is common cause variation?
Process map, data collection, baseline data
What are tools in the measure phase?
Trends, shape, and variation
What you are looking for when you plot data?
A common metric that represents how much variation is in the system
What is process sigma?
Data that obtained by measuring something. Can be halved or have a decimal
What is continuous data?
What is CTQ? (Critical to Quality)
Identify root cause and confirm them with data
What is the analyze phase?
Visual representation of the "voice of the process", used to track performance over time.
What are control charts?
An event that does not meet customer specifications
What is a defect?
Variation that is not always present, but is usually an isolated event
What is special cause variation?
Variation that occurs when measuring the same sample between different operators
What is reproducibility?
Pilot Study, Lean tools, Implementation plan
What are tools in the improve phase?
Plot that shows the shape or distribution of the data by showing how often a different value occurs
What is a frequency plot or histogram?
3.4 DPMO
What is a six sigma process?
80% of problems are caused by 20% of the contributors
What is the Pareto principle (80/20 rule)?
6 or more points in a row continuously increasing or decreasing
What is the signal for a trend on a time plot?
A document utilized to highlight the "story" of the project through each phase
What is a storyboard?
Mean + (3 x standard deviation)
What is the equation for Upper control limit?
How the process is performing relative to project goals or standard metrics
What is process capability?
Tool to link inputs to Voice of customer or Voice of business requirements. Prioritizes Inputs
Cause and Effect Matrix
What, When, Who, Why, Where and How
What is the 5W + H method for problem statement?