Question 1

The reported Cpk for a process with an average of 94 units, a spread of 22 units and upper and lower specification limits of 125 and 80 units would be?

Options :

A : 0.64

B : 1.27

C : 1.84

D : 2.12

Answer: B

Question 2

After a Belt has put data through the smoothing process which chart would be used to look for trends in the data?

Options :

A : Moving Average Chart

B : Multi-Vari Chart

C : X bar Chart

D : Pareto Chart

Answer: A

Question 3

Process Capability is a function of which of these?

Options :

A : Customer requirements

B : Process performance

C : Output over time

D : All of these answers are correct

Answer: D

Question 4

Multiple Linear Regressions (MLR) is best used when which of these are applicable? (Note: There are 3 correct answers).

Options :

A : Non-linear relationships between the inputs X-s and output Y

B : Uncertainty in the slope of the linear relationship between an X and a Y

C : Relationships between Y (output) and more than one X (Input)

D : Preventing the use of a Designed Experiment if unnecessary

E : We assume that the X-s are independent of each other

Answer: A,C,D

Question 5

When a Belt is analyzing sample data she should keep in mind that 95% of Normally Distributed data is within +/- 2 Standard Deviations from the Mean.

Options :

A : True

B : False

Answer: A