White Belt

Question 1

6 sigma definition

Answer 1

Statistical concept & method
For improving process
Defining variation inherent in the process

Reduces variation and opportunities for error

Question 2

Beta testing

Answer 2

Implementation of new idea or system on a select group of controlled environment

Question 3

Defects in 6 sigma process

Answer 3

3.4 defects per million opportunities
99.99966% accuracy

Question 4

Sigma levels defects

Answer 4

1sigma 690k / million
2sigma 308k / million
3sigma 66.8k / million
4sigma 6.2k / million
5sigma 233 / million
6sigma 3.4 / million

Question 5

Calculating sigma level

Answer 5

of opp. - # of defects / # of opp. x 100

= Yield

Question 7

Value stream

Answer 7

Sequence of all items, events & people required to produce end result

Question 8

Common six sigma principles

Answer 8

Customer focused improvements
Continuous process improvement
Variation
Removing waste
Equipping People
Controlling the process

Question 9

Challenges of six sigma

Answer 9

Lack of support
Lack of resources
Poor project execution Data access issue
Concerns about using it in different industries

Question 10

Stats in six sigma ?

Answer 10

To
Define
Measure
Analyze
Verify
Control

Question 11

2 methodologies in six sigma

Answer 11

DMAIC
DMADV