Exam Questions and CORRECT Answers
Solutions are implemented in which stage of DMAIC? - CORRECT ANSWER - Improve
and Control
What does DMAIC stand for? - CORRECT ANSWER - Define, Measure, Analyze,
Improve, Control
pareto chart - CORRECT ANSWER - categorical x vs categorical y
run chart - CORRECT ANSWER - continuous y vs time
boxplot - CORRECT ANSWER - continuous y vs categorical x
scatter plot - CORRECT ANSWER - continuous y vs continuous x
what information does a dotplot provide? - CORRECT ANSWER - the spread of the data
spaghetti diagrams - CORRECT ANSWER - visual representation of the work unit
flowing through a process, can show waste of motion and transportation
4 steps to complete a spaghetti diagram - CORRECT ANSWER - draw a scaled diagram,
mark the area of focus, walk the process, and document travel time and distance
fishbone diagram - CORRECT ANSWER - identify potential causes and document them
into categories
, steps to make a fishbone diagram - CORRECT ANSWER - select the effect, create the
body, label the categories, and define the potential causes in each category
manufacturing fishbone categories (traditional) - CORRECT ANSWER - personnel,
materials, measurement, method, machine, and environment
CTQ - CORRECT ANSWER - Critical to Quality; factors that are recognized to be critical
to customer satisfaction
What is a C&E matrix? - CORRECT ANSWER - a tool that can be used to determine
which inputs on our are actually "most likely" suspects. Looks at the "X" (or inputs) that are
discovered to be most important.
Primary benefit of a C&E matrix? - CORRECT ANSWER - allows for the numerical
quantification of the relationship between the inputs and outputs of a process
Steps to create a C&E matrix - CORRECT ANSWER - list the outputs, rank the outputs,
identify the process steps and inputs, rank the contribution, and prioritize the critical items
FMEA (Failure Mode and Effects Analysis) - CORRECT ANSWER - detailed,
quantitative method of analyzing and documenting the failure modes of a process, dynamic,
needs to be continually updated; primary purpose is to diagnose and prevent risks
system FMEA - CORRECT ANSWER - top level, early stage analysis
design FMEA - CORRECT ANSWER - analyzes the systems, subsystems, parts, and
components of a product early in the design stage
process FMEA - CORRECT ANSWER - focuses on: process flow, sequence, equipment,
tooling gages, inputs, outputs, and set points for each failure mode (most common)