A 23 full factorial design attempts to prevent the effect of lurking variables by
A. replication
B. randomization
C. interaction
D. none of the above
E. all of the above
The above design matrix layout is called:
A. random order
B. run order
C. standard order
D. none of the above
E. all of the above
In the regression equation y = mx + b, y increases with x in all cases:
A. If b is positive
B. If b is negative
C. If m is positive
D. If m is negative
Range which a parameter that a population may be expected to fall, on the basis of measurement, with some specific confidence level or confidence coefficient.
A. Confidence Interval
B. Factors
C. Control Plan
D. Normal Distribution
When calculating the Cp index, what does the standard deviation represent in the formula ?
A. Quality function deployment
B. Customer service principles
C. Confrontation and problem solving
D. Changing perceptions
Which of following purpose is a full factorial design?
A. if possible, remove the effects of lurking
B. provide information on the effects of interactions
C. provide information on the effects of main factors
D. all of the above
SPC on the outputs is more preferred than SPC on the inputs when implementing SPC for your process.
A. True
B. False
When looking at a distribution graph, the Mean is defined as the __________.
A. Average based on the sample size
B. Aggression measured
C. Total sample size
D. Measurement based off a quarter of the sample size