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Six Sigma > Six Sigma > Flashcards

Six Sigma Flashcards

1
Q

What is the term for a clear statement that defines what is included (and, by exclusion, what is not included) in a Lean Six Sigma process improvement project?

A

Scope

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2
Q

What error is typically associated with the notion ‘false positive’m

A

Type 1 error

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3
Q

The total time to manufacture a part through its complete value stream is the ______ time.

A

Lead

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4
Q

What is used to model rates and has the probability of exactly r events occurring, has a mean equal to variance, can tell you the number of defects per disk drive and is widely used in queuing theory.

A

Poisson Distribution

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5
Q

________ is the term used for the output of the process that you investigate in the experiment. It is synonymous with the Y in Y=f(x) equation. The whole point is to figure out how the x’s combine together to affect the Y.

A

Response

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6
Q

A Six Sigma project can reduce:

A

Both internal and external failure costs.

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7
Q

In the project development cycle, what would a “waste” mean?

A

Time spent on fixing defects

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8
Q

Who introduced PDCA?

A

Deming

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9
Q

A company wishes to compare the expected mileage of eight different types of car tires. Which statistical tests is best suited for the analysis?

A

ANOVA

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10
Q

5 whys is a technique that is not used in:

A

Statistics

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11
Q

Which is the Greek letter(s) that is often used to describe the standard deviation of data?

A

Sigma

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12
Q

When finding a confidence interval for mean “mu,” based on a sample size of n, which of the following statements is true?

A

Increasing then decreases the interval

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13
Q

What is the DPMO of a Six Sigma process?

A

3.4

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14
Q

The input variables, Xs in the six sigma Y = f(x) equation that you purposely control during the experiment are called

A

Factors

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15
Q

What is the statistic used for central tendency with normal data?

A

Mean

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16
Q

“Customer bad will” is a term used in the cost of quality under which classification?

A

External failure costs

17
Q

Data that can be measured on a continuum and has meaningful decimal subdivisions are __________ data.

A

Surplus

18
Q

Which of the following tests should be considered when the tests are normal and we are using more than two populations?

A

Bartlett’s test

19
Q

What is the term that is defined as the number of units coming out of a process divided by the number of units going into that process over a specified period of time?

A

First pass yield (FPY)

20
Q

What is the term for the mathematical expression that describes the relationship between two or more variables that is normally used to make a projection into an untested region?

A

Regression

21
Q

What is the Japanese term for mistake proofing that is an engineered method that makes it very difficult or impossible to produce a defective part and does not require human assistance?

A

Poke-yoke

22
Q

Factorial experiments:

A

Include two or more independent variables

23
Q

What type of error incorrectly rejects the null hypothesis?

A

Type 1

24
Q

What type of error fails to reject the null hypothesis (Ho) when you should do so?

A

Type 2

25
Q

What is the Japanese term that translates to “card” or “board” and indicates some form of the signal within a process? It is part of just-in-time (JIT) processing, where either a physical or electronic device indicates that it’s time to order inventory, process a unit, or move to the next step in a process.

A

Kanban (aka signboard)

26
Q

What would be used to screen variables, or various inputs, to analyze their relative impact on the output of concern?

A

Multi-vari chart

27
Q

What is the Japanese term for “waste” that refers to anything in a process that does not add value from the customer’s perspective?

A

Muda (aka waste)

28
Q

Which of the following is not a type of waste?

A

Testing

29
Q

What is used to measure how well the process performs to meet given customer specification limits?

A

Capability

30
Q

What is any defective item, unit, or output that passes through an entire process and is received by the customer?

A

External failure cost

Six Sigma (1 decks)

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