Exam 2 Flashcards
T/F the key objective of data mining is to identify the vital few Xs in the many trivial Xs.
True
T/F scatter plots are used to analyze discrete and variable data.
False
T/F the primary purpose of the analyze phase is to determine and prioritize root causes.
True
All of the following are six sigma tools used to determine and prioritize root causes except A. Problem statement B. Five whys C. Interrelationship diagrams D. Cause and effect diagrams
A. Problems statement
Which of the following is not a valid reason to perform process analysis during the analyze phase?
A. Identify bottlenecks and cycle time
B. Identify value adding activities
C. To determine proper segregation of duties among functions
D. Identify forms waste
C. To determine proper segregation of duties among functions
A multi-vari study isolates the causes of output variation into all of the following categories except A. Cyclical B. Temporal C. Assignable D. Positional
C. Assignable
Which of the following is not a work package in the analyze phase? A. Identify Critical inputs B. Execute phase gate review C. Assess process capability D. Perform process analysis
C assess process capability
T/F an interrelationship diagram documents the various communication path among project team members.
False
Which six sigma tool is used to identify specific ways in which a product, process, or service might fail and to then develop countermeasures targeted at those specific failures. A. Pareto analysis B. Critical to quality tree C. Gage r&r D. Fmea
D
T\F observational studies are normally lower cost and faster than experiments.
True
T\F affinity diagrams are a six sigma tool used during the analyze phase
True
T\F the primary objective of the analyze phase gate review is to secure funding for the improve and control process.
False
Why use factorial plots
A. Allows you to see the plots of the main effects
B. Allows you to see the interaction plots
C. Shows how to set each factor to either maximize or minimize the response
D. All of the above
D all of the above
Performing an experiment at the same time each day is an example of A. Blocking B. Randomizing C. Levels D. Optimization
A blocking
T/F a trial and error approach to experimental design isolates a single factor and studies the affect across a wide range of values (levels) while holding all other factors constant
False
T/F full factorial design requires more runs than fractional factorial designs given the same number of factors
True
T/F In DOE, a run occurs when the effect of one factor on the ends on, or interacts with, the setting of another factor
False
T/F in an experiment, inputs are allowed to vary randomly throughout the specification range
False
What is a valid approach to dealing with external factors beyond your control, such as a rise in ambient temperature or humidity. A. Blocking B. Screening C. Randomization D. One-factor-at-a-time design
C. Randomization
Why do we replicate our experimental runs?
A. So we can look for special causes
B. To obtain a better estimate of the variation and look at interactions
C. To determine the factor levels
D. So we can look at the same thing run again
B. To obtain a better estimate of the variation and look at interactions
What is the correct definition of replication
A. An output that is measured or observed
B. The change in the response variable that occurs as experimental factors change levels
C. Duplicating the entire experiment in a time sequence with a different setup
D. Gathering data by executing the experiment with a unique, predetermined set of levels for each factor.
C duplicating the entire experiment in a time sequence with a different setup
T/FThe main effect of a factor x1 at the high level minus the ponds of x1 at the low level
True
T\F the multiplication rule is used to set the values in the code design matrix for second order effects
True
Which experimental design has a long list of factors making control of the factors challenging A. Trial and error B. Six sigma C. One-factor-at-a-time D. Boil the ocean
D. Boil the ocean
Which of the following is not a step in training? A. Update personnel records B. Identify personnel to be trained C. Assess training effectiveness D. Provide work instructions on-line
D provide work instructions on line
T/F a value stream map does not include information flow
False
T/F the solution with the highest score on a risk evaluation matrix is the best solution
False
Which of the following is not a tool to prioritize solutions? A. Pugh analysis B. To be value stream map C. Impact/effort analysis D. Solution evaluation matrix
B TO BE value stream map
T/F the Pugh analysis uses numeric ratings
False
T/F the Pugh analysis is limited to three cycles or runs
False
T/F the primary audience of the project story board is the executive sponsor, project champion, and subject matter experts
True
T/F a high impact, low effort solution should be considered as a viable candidate solution
True
T/F the solution evaluation matrix weights must total 100%
False
The risk opportunity number (RPN) in a FMEA analysis is determined by
A. Multiplying severity by occurrence by detection
B. Multiplying severity by occurrence and dividing by detection
C. The ratio of severity to occurrence
D. Dividing severity by occurrence and multiplying by detection
A. Multiplying severity by occurrence by detection
T/F FMEA is an acronym for failure measurement effects analysis
False
T/F a control plan may have only one X or Y on a given row
True
T\F create prioritized solutions is a work package in the improve phase
True
T/F a cost evaluation may include fixed and variable costs
True
_______ studies analyze the variation in the observed critical output (y) and identify which input variables (X’s) are the most likely Cause of variation.
Observational
FMEA stands for
Factors modes and effect analysis
