

Six Sigma


Introduction 
Six Sigma is a highly disciplined process that helps us focus on developing and delivering nearperfect products and services.
Why “Sigma”? The word is a statistical term that measures how far a given process deviates from perfection. The central idea behind Six Sigma is that if you can measure how many “defects” you have in a process, you can systematically figure out how to eliminate them and get as close to “zero defects” as possible. To achieve Six Sigma Quality, a process must produce no more than 3.4 defects per million opportunities. An “opportunity” is defined as a chance for nonconformance, or not meeting the required specifications. This means we need to be nearly flawless in executing our key processes.“WELLORGANISED COMMON SENSE”
How to do Six Sigma Funnelling,
DMAIC Path I follow ?
What is DMAIC

Define 
The purpose of this step is to obtain a precise definition of a problem or issue that requires attention. The key here is not to focus on the outcome ( which is what most people generally do), but to concentrate your attention on the process that creates that outcome. This often requires detailed process mapping to be done so that all the stages in a process, how they link together and how they interrelate, are fully understood.

Measure 
Once the problem and its potential causes are understood, you can move on to detailed measurement of all the elements in the process and what influence they have on each other. During this step it is important to focus on the parts of the process that are critical to quality  the ones that can be shown to have the greatest impact on the process outcomes. This step may also require some benchmarking to find parts of your business, or perhaps other businesses these maybe competitors or organisations in other sectors) that manage this process better. Ideally you will find the best there is to study and learn from.

Analysis 
Having gathered all the necessary measurements you can then analyze them to establish how well or poorly the process is working, it’s full detrimental impact on the organization, the opportunities for improvement and the benefits that would result if it were improved. This analysis will show the gap between what is being achieved and what could be achieved, where improvements might be made and whether the investment needed would be justified by the return.

Improve 
If step 3 has shown that worthwhile improvements can be made you then move on to step 4, where the improvements are implemented. The information gathered and analyzed in the previous steps will have pinpointed where the maximum returns are possible for the minimum investments. This is therefore where the efforts are focused to ensure that the process is improved in the precise areas and in the specific ways that will have the greatest impact on the outcomes.

Control 
This step is needed to ensure that all gains made will remain as gains and will not be allowed to slip back. The purpose is to lock in your success through ongoing monitoring and control processes that will guarantee no reversion to the previous, poor results.

My Favourite Six Sigma Resources 
Powerpoint
PDF
Six Sigma Templates
EXCEL
Six Sigma Worksheets ,
Hypothesis Testing Excel Workbook ,
3 Factor DOE ,
GANT Chart,
Simple Linear Regression,
DPMO Calculator,
Process Capability Study,
FIsh Bone,
Cause and Effect Matrix,
Gauge R & R,
Performance Gap Matrix,
Check Sheets,Pareto,
COPQ Templates,
Process Capability Study,
FMEA Worsheet,
Control Plan,
X Y Prioritization Matrix,
Project Selection Matrix,
QFD,
Control Plan,
SIPOC,
Process Map
Word
What is Six sigma
Various DMAIC Models
Excel Stat Guide
Excel Stat Function
Case Studies
Three Romeos And A Juliet
Statistic Resources
Statistics Stories
Statistics Book
HyperStat
Introductory Statistics
StatSoft Textbook
Vassar Stat
Java Demo For Probability
Probability Demo and Z table
Six Sigma Defect Table

