Six Sigma Exam 1

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Focus groups are a reactive method for gathering the voice of the customer. True False

False

In Six Sigma, VOC means variability of controls. True False

False

In Six Sigma, thinking for breakthrough is the realm of activities that focuses on optimizing the performance of existing business and operational processes. True False

False

Kano analysis displays the relationship between inputs and outputs in a matrix. True False

False

Linearity in a scatter plot is determined by how closely or tightly the plotted points fit a drawn line. True False

False

Takt time is a German word for "beat." True False

True

The Customer-Business-Process Scorecard includes VOC, VOB, and VOP ratings. True False

True

The Six Sigma core team (steering committee) should be cross-functional. True False

True

The Taguchi Loss Function claims that cost begin to increase with any deviation from the idea customer target. True False

True

The chief purpose of plotting and charting data is to graphically show the central tendency and spread of variation. True False

True

The set of product or service features the customer truly desires is called the Voice of the Customer. True False

True

Variation is undesirable because it creates uncertainty in your ability to produce a desired outcome. True False

True

The eight forms of waste are "Transportation, Inventory, Motion, Waiting, Over Purchasing, Over Production, Defects, Skill" "Time, Inventory, Motion, Waiting, Over Processing, Over Production, Defects, Skill" "Transportation, Inventory, Motion, Waiting, Over Processing, Over Production, Detail, Salaries" "Transportation, Inventory, Motion, Waiting, Over Production, Over Processing, Defects, Skill"

"Transportation, Inventory, Motion, Waiting, Over Production, Over Processing, Defects, Skill"

A Six Sigma process promised to reduce raw material inventory from $7,500,000 to 5,000,000 by June 1. What is the percentage change? -33.33% 178.57% 40.00% 71.43%

-33.33%

A customer requires 500 parts per day from an organization working two eight-hour shifts per day. What is the takt time in minutes?

1.92 minutes (16 hours/500 * 60minutes)

An FMEA row had severity = 8, occurrence = 3, and detection = 5. What is the RPN? 120 16 0 4.5

120

"Using six sigma methodology, a company at 6.0 would have a failure rate of:"

3.4 defects per million opportunities

Pareto's Law is also know as: 80-20 rule The law of diminishing returns. 60-40 Cause-and-effect mapping

80-20 rule

A process consists of three steps with yields of 98%, 97%, and 99% percent respectively. What is the rolled throughput yield for the end-to-end process?

94.11%

What is six sigma? Problem solving Culture change Knowledge generation All the above

All the above

What is a process? A system used in manufacturing A six sigma computer application Any repetitive action in a business environment The opposite of a concess

Any repetitive action in a business environment

The shape of the variation in a dot plot comes in all of the following configurations EXCEPT: Asymmetrical Normal Skewed Uniform

Asymmetrical

All of the following techniques can be used to identify the Voice of the Customer EXCEPT: Cause-and-Effect analysis Kano Anaysis Tim Woods Box and whisker plot

Box and whisker plot

Which of the following charting techniques should be used to create a matrix that shows the strength of the relationship between inputs (Xs) and outputs (Ys). Cause-and-Effect analysis FMEA Histogram Box and whisker plot

Cause-and-Effect analysis

An organized and disciplined approach to problem solving in most six sigma organizations is called SIPOC DMAIC PDCA DPMO

DMAIC

The five phases in the Six Sigma project methodology are: "Design, Measure, Analyze, Improve, Conclude" "Define, Measure, Analyze, Improve, Control" "Define, Monitor, Analyze, Improve, Conclude" "Define, Measure, Analyze, Implement, Control"

Define, Measure, Analyze, Improve, Control

The principle which states you can create a desired outcome by configuring and controlling the inputs in a specific manner is: Variation Leverage Determinism Measurement

Determinism

Counting the number of green M&M in a bag of candy is an example of: Discrete data Continuous data Ordinal data Variable data

Discrete data

The primary two data types in Six Sigma are: "Common, Special" "Discrete, Continuous" "Discrete, Attribute" "Continuous, Variable"

Discrete, Continuous

________ is the term describing the relative likelihood (probability) of observing values for a continuous (variable) factor. Standard Deviation Mean Variance Distribution

Distribution

FMEA stands for: Frequency Model Efficiency Analysis Failure Modes Effects Analysis Failure Modes Evasive Actions Failure Methods Enterprise Appraisal

Failure Modes Effects Analysis

A dot plot shows the scatter and grouping of two characteristics using dots. True False

False

Six Sigma does not require management commitment and accountability. This is the responsibility fo the Six Sigma project team True False

False

The "AS IS" format of a process map identifies how the process will be configured to yield improvement. True False

False

The silo effect occurs when teams work cross-functionally. True False

False

When prioritizing a business case you should consider only the voice of the customer and the voice of the process. True False

False

All of the following are examples of "hard savings" EXCEPT. Reduction in labor. Reduction in inventory. Increased customer orders. Reduction of scrap.

Increased customer orders

A project team wants to identify key drivers and outcomes among critical inputs. What diagramming tool should the team use? FMEA Analysis Affinity Diagram Fishbone (Ishikawa) Diagram Interrelationship Diagram

Interrelationship Diagram

Which of the following is NOT a reactive approach to defining the voice of the customer? Interviews Complaints Returns Warranty Claims

Interviews

Which of the following is NOT a responsibility of the core team (steering committee) for a Six Sigma program.

Leading complex projects

Which of the following is NOT one of the six typical category for a cause-and-effect (Fishbone, Ishikawa) diagram? Man Measurement Management Machine

Management

Which phase in the Six Sigma project methodology captures the current baseline performance and capability of the process or system being studied? Define Control Analyze Measure

Measure

Which of the following forms of mapping has the most amount of detail? Process Map SIPOC Value Stream Map Spaghetti Diagram

Process Map

Which of the following forms of mapping typically has swim-lanes? Process Map SIPOC Value Stream Map Spaghetti Diagram

Process Map

All of the following are measures of central tendency EXCEPT: Mean Mode Range Median

Range

Which of the following forms of mapping has the least amount of detail? Process Map SIPOC Value Stream Map Spaghetti Diagram

SIPOC

Which of the following forms of mapping shows physical movement in an office or factory? Process Map SIPOC Value Stream Map Spaghetti Diagram

Spaghetti Diagram

What does SIPOC stand for?

Supplier, Input, Process, Output, Customer

Which of the following is NOT a required element of a problem statement? The size or magnitude. The current baseline and goal. The time frame. A brief description and the metric.

The current baseline and goal

Where do you start six sigma? It's a bottom-up approach The executive sponsor decides From the quality director Middle management

The executive sponsor decides

What is y = f(x)+ e? A quadrilateral equation The six sigma transfer function One variation of x = f(y) and y = fx An algorithm for controlling DMAIC

The six sigma transfer function

A process behavior (run) chart will graphically display both normal, and non-normal, behavior. True False

True

A process map uses normal flow chart shapes, but adds metrics such as time, distance, and yield. True False

True

A value stream map include information flows, inventory levels, and process step cycle times. True False

True

Every result has one or more causes. True False

True

A given failure mode in an FMEA may have one, and only one, potential effect. True False

False

A project that has been "right-sized" can have more than one Y. True False

False

Correlation implies causation. True False

False

Employee turnover is an example of common cause (natural) variation. True False

False

Rolled throughput yield is the average yield of the individual process steps in an end-to-end process. True False

False (RTY is not an average, it is just the product)

The mean is used to draw the center line in the box of a box and whisker plot. True False

False (median)

Takt time is the how long the entire process take to complete end-to-end. True False

False (the pace needed to meet customer demand. total work time/units required)

Long-term variation is typically larger than short term variation. True False

True

Point-of-Use observation is a proactive means to gather the voice of the customer. True False

True

Special cause variation is also known as assignable variation. True False

True

Specifications can be one-sided, or two-sided. True False

True


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