Taking a
Structured Approach to the Analyse Phase

Introduction to the analyse phase

5 Why
Approach to problem solving

Forming
and testing hypotheses

Writing an
analysis plan
Visualising
the Data

What shape
is your data? – Histograms

Visualising Descriptive Statistics – Graphical Summary
Tool

Understanding confidence limits
Assessing
Process Control

What is
happening over time? – Time Series Plots

Understanding process control

Anatomy &
use of Control charts

Applications of SPC Charts

Assessing
Process Capability

Understanding process capability

Calculating process capability for Continuous and
Attribute Data

Selecting
appropriate capability metrics & indices

Dealing
with nonnormal data
Verifying
the Root Cause

Link to
cause and effect diagram

Stratifying the data – use of box plots

Are there
any relationships?  Scatter Diagrams

Where are
the biggest opportunities?  Pareto

Links to
project storyboard – hints and tips for summarising and
presenting the analysis

Introduction to significance testing approach

Introduction to Regression Analysis

Understanding correlation

Introduction to simple linear regression

Application in Lean Sigma Projects
Optimisation Processes:
Design Of Experiments

Introduction to designed experiments (DOE)

Applications of DOE techniques

Basic
system optimisation

Screening
techniques using DOE

Optimising
a worked example

Improve
Phase: Solution Generation & Piloting

Challenges
of the Improve Phase

Generating
alternative solutions

Evaluating
and selecting the best solution

Piloting &
solution introduction
Solution
Introduction & Control

Developing
a control plan

Prevention
& detection systems

Choice of
control method

Out of
control action planning

Handover &
transferring benefits

Planning
for continuous improvement
Contracting
for Success
