Lecture 10

Question 1

Process Capabilty Analysis

Answer 1

Study of how inherent variability in process compares with product requirements

Question 2

6 sigma spread

Answer 2

Natural tolerance interval of the process

Question 3

True six sigma process

Answer 3

Allows for a 1.5 sigma shift will have Cp = 2

Question 4

Assumptions of Cp

Answer 4

Quality has a normal distribution
Process is in statistical control
Process mean is centered

Question 5

Cpk values

Answer 5

1. 25 is acceptable
2. 33 is highly capable
3. 0 is world-class