Greenbelt Chapter 14: Analyze Phase

Question 1

Root Cause Analysis

Answer 1

to identify root causes to a problem is the key of the analyze phase

Question 2

The Cause and Effect, or Fishbone, Diagram

Answer 2

Fishbone diagram is a cause and effect diagram with the effect at the head of the fish/problem and the effects as the scales of the fish.

Question 3

Root Cause Verification Matrix

Answer 3

You have the table:

problem, problem root causes, method of verification, reason for verification, verified (y/n)

Question 4

Graphical Analysis

Answer 4

Graphical analysis is a way to graphically represent data about those root causes that have been recorded.

Question 5

Statistical Analysis

Answer 5

Hypothesis Testing

Alpha Risks/Beta Risks

p-value

correlation/regression analysis

Question 6

Analyze Tollgate Checklist

Answer 6

Before you leave the Analyze phase, please look at the checklist:

1. ) Your primary root causes have been identified.
2. ) Team has prioritized the root causes
3. ) Champion/Sponsor seconds the team to move on to “Improve Phase”
4. ) Relationships between variables are understood between causation
5. ) These variable causes have been verified by statistical analysis.