Six Sigma Concept To Mistake Proof Processes

The Classical Definition of Quality

“99% Good” (3.8 Sigma)

The Six Sigma Definition of Quality

“99.99966% Good” (6 Sigma)

20,000 lost articles of mail per

hour

Seven lost articles of mail per

hour

15 minutes of unsafe drinking

water every day

One minute of unsafe drinking

water every seven months

5,000 incorrect surgical

operations per week

1.7 incorrect surgical operations

per week

2 short or long landings at

most major airports daily

One short or long landing at most

major airports every five years

200,000 wrong drug

prescriptions each year

68 wrong drug prescriptions each

year

No electricity for almost 7

hours each month

One hour without electricity every

34 years