Quiz 5 Flashcards

1
Q

The following is false:

Selected Answer:

The I phase is where innovative ideas are created.

The D phase of DMAIC is where the goals for the project are stated.

The M phase of DMAIC is where the improvement ideas are listed.

A

The M phase of DMAIC is where the improvement ideas are listed

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2
Q

Select which of the following is true:

Six Sigma uses DMAIC for process improvement

Lean was developed at Motorola

Six Sigma was developed at Toyota

A

Six Sigma uses DMAIC for process improvement

Lean was created at Toyota (TPS)
Six Sigma was created at Motorola

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3
Q

Which of the following is NOT related to management-by-objective approach?

A color-coded dashboard

Showing process outcomes on a control chart

Punishing employees when the performance is lower than expected

A

Showing process outcomes on a control chart

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4
Q

Two P charts (chart X and chart Y) have the same center line. The sample size for each point plotted on X is 45 and the sample size for each point plotted on Y is 90. We would expect:

No difference in control limits for both charts

Wider control limits on X.

Wider control limits on Y.

A

Wider control limits on X.

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5
Q

If the 90% confidence interval for the likelihood of a satisfied customers is 0.72 to 0.85, then

We are 100% sure that the customers are satisfied 72% to 85% of the time.

There is 10% chance that true likelohood of a satisfied customer is between one-sigma and seven-sigma limits.

There is a 10% chance that the true likelihood of a satisfied customer is less than 0.72 or greater than 0.85.

We are 100% sure that the customers are satisfied 72% of the time.

A

There is a 10% chance that the true likelihood of a satisfied customer is less than 0.72 or greater than 0.85.

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6
Q

The interpretation of a control chart is based on a set of rules that were developed by Walter Shewhart. The basis of these rules is:

DMAIC

Outcomes of a stable process will have a very small level of variation.

Management by objectives

The normal distribution

A

The normal distribution

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7
Q

Which of the following statements is (are) correct?

i. A metric should be used to measure performance for exactly one performance dimension.
ii. A metric does not need to associate completely with any performance dimension.
iii. A metric should be used to measure performance for as many performance dimensions as possible.

II and III

Only I

Only III

Only II

A

Only I

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8
Q

Which of the following could be a goal of a Kaizen project in a manufacturing setting?

To save money by laying off some employees

To quantify the monetary value of the project

To lower the number of defective products produced

A

To lower the number of defective products produced

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9
Q

Which of the following (is) are correct?

i. The goal of six sigma is to reduce variation.
ii. Six Sigma and Lean approaches cannot be applied simultaneously.
iii. Six Sigma projects use DMAIC framework.

Only III

Only II

Only I

I and III

A

I and III

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10
Q

Calculate the UCL for a P chart with the following conditions: sample size per month is 25; p-bar is 0.6; the P-chart shows 40 months of data, and the target proportion is 0.8.

1

0.832

1.04

0

0.893

0.449

A

0.893

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