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SIX SIGMA 1

SIX SIGMA

INTRODUCTION

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SIX SIGMA 2

WHAT IS SIXSIGMA?

SIXSIGMA AS A GOAL

6PRACTICAL MEANING

UNDERSTANDING VARIATION

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SIX SIGMA 3

If we cant express what we know in the form of numbers, we really

dont know much about it. If we dont know much about it, we cantcontrol it. If we cant control it, we are at the mercy of chance.

-Mikel J. Harry

Six Sigma is a Rigorous Method for Measuring, Improving& Controlling Our Process Performance

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SIX SIGMA 4

WHAT IS SIXSIGMA ?

6-Sigma is a Methodology to significantly improves customer

satisfaction and shareholder value by reducingvariability in every aspect of our business.

6-Sigma is not something else thatyou do it is what you do.

. A CHALLENGE, BUT OTHERS HAVE ACHIEVED IT.

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SIX SIGMA 5

WHAT IS SIXSIGMA ?

A philosophy which mandates operational excellence

A business strategy

A set of tools designed to reduce variation in processes and operations

A statistical measure of a process capability - 3.4 defects

per million opportunity - 99.99966 % Probability of

passing Non defective products to Customer

World class quality

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SIX SIGMA 6

Six Sigma methodology identifies processes that are off-target,

and/or have a high degree of variation, and corrects the process

Off-Target Variation

On-Target

CenterProcess

ReduceSpread

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SIX SIGMA 7

A SCIENTIFIC MANAGEMENT TOOL & PHILOSHOPYONE OF ITS KIND

2 308,537

3 66,807

4 6,210

5 233

6 3.4

Defects per millionopportunities

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SIX SIGMA 8

99.99966% Good (6 Sigma)99% Good (3.8 Sigma)

20,000 lost articles of mail perhour

Unsafe drinking water foralmost 15 minutes each day

5,000 incorrect surgicaloperations per week

Two short or long landings atmost major airports each day

200,000 wrong drugprescriptions each year

No electricity for almost sevenhours each month

Seven articles lost per hour

One unsafe minute every sevenmonths

1.7 incorrect operations per week

One short or long landing everyfive years

68 wrong prescriptions per year

One hour without electricityevery 34 years

6PRACTICAL MEANING

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SIX SIGMA 9

UNDERSTANDING VARIATION

WHAT ARE THE THINGS WHICH MAKE AGOOD HOT COFFEE??

BLEND

COFFEE BEANS AROMA PRICE

SERVICE AMBIENCE AVAILABILITY

TASTE

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SIX SIGMA 10

WHAT HAPPENS WHEN THE COFFEE ISNOT HOT &

THE SERVICE IS POOR??

OUT OF 10 PARAMETERS ONLY 8 GET FULFILLED

10 OPPORTUNITIES & 2 DEFECTS

DEFECTS=2OPPORTUNITIES =10

UNIT = 1DPMO(DEFECTS PER MILLION OPPORTUNITIES)

= 0.2*1000000DPMO= 200000

ONLY 2.34 SIGMA

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SIX SIGMA 11

SCENARIO 1

Who do you feel if you have to wait hr every day for thepick-up cab..

SCENARIO 2

How do you feel if you come to know that the cab has left

15 mins earlier than scheduled one day &

hr later than schedule the other day for the pickup cab

Which one do hate the most????

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SIX SIGMA 12

Inconsistency or variation

is the

most intolerable experience for a

customer!!

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SIX SIGMA 13

HIGHER THE CONSISTENCY, HIGHER

THE DEPENDENCY OR PREDICTABILITY

HIGHER THE CONSISTENCY, LOWER THE

VARIATION

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SIX SIGMA 14

Motorola

Texas Instruments

ABB (Asea Brown Boveri LTD.)

AlliedSignal

GE

Companies Implementing Six Sigma

INDIAN CONTEXT

American Express TCS Bajaj Birla Soft DELL Computers

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SIX SIGMA 15

One day an enterprising turkey led the the flock to a field, and with

demonstration and instruction taught them how to fly.

All afternoon they enjoyed soaring, flying and the thrill of seeing new

vistas. Each one remarked, what a wonderful thing they haddiscovered.

After the meeting was over, all theturkeys walkedhome.