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Quality Improvement and Control Tools MCQ

Flowcharting is a quality improvement technique used for ______.

Answer

Correct Answer: Process mapping

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______ are useful for manufacturing processes and operations that are repeated.

Answer

Correct Answer: Check sheets

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______ is an attribute control chart that is used to monitor countable occurrences.

Answer

Correct Answer: C-chart

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______ is a technique used to determine whether a process is able to meet a set of design specification limits, or normal level of variations, that reflect the customer’s requirements for a product or service.

Answer

Correct Answer: Process capability analysis

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______ is a control chart that monitors the variability within samples.

Answer

Correct Answer: Range chart

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______ is an approach to design that focuses on determining the optimal design of a product and the processes used to produce it so as to minimize variations.

Answer

Correct Answer: Parameter design

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______ is a tool that can be used to visually determine if two variables are related or correlated.

Answer

Correct Answer: Scatter diagram

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______ is an attribute control chart used to monitor the fraction, or proportion, of defects or errors in a product or service.

Answer

Correct Answer: P-chart

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______ is a control chart that monitors the variation between samples.

Answer

Correct Answer: Mean chart

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______ is a control chart that monitors the variability within samples.

Answer

Correct Answer: Range chart

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As a rule of thumb, to do a process capability analysis, you should collect a minimum of ______ samples each with a sample size of at least 5 items.

Answer

Correct Answer: Twenty

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“As the size of a sample gets larger, its distribution approaches normal distribution,” summarizes which assumption in sampling measurements?

Answer

Correct Answer: Design specification limits

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“As the size of a sample gets larger, its distribution approaches normal distribution,” summarizes which assumption in sampling measurements?

Answer

Correct Answer: Central limit theorem

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______ refers to a set of procedures to improve a product or service’s quality before it is delivered.

Answer

Correct Answer: Quality assurance

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The upper and lower control limits of a control chart are sometimes mistakenly interpreted as ______.

Answer

Correct Answer: Design specification limits

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______ represents the target value of the quality characteristic the firm is trying to achieve.

Answer

Correct Answer: Center line

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______ is a quality characteristic that is counted using whole numbers and often categorized using either/or measures.

Answer

Correct Answer: Attribute

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Variable a quality characteristic that is measured on a _____ or incremental, scale

Answer

Correct Answer: Continuous

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variations in quality that are not normally present in the process and can be attributed to unique or assignable causes is known as

Answer

Correct Answer: Special cause variations

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Which of the following statements is false?

Answer

Correct Answer: The sampling distribution of the mean will have the same standard deviation as the original population from which the samples were drawn

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Range chart is a control chart that monitors the _____ With Sample

Answer

Correct Answer: Variability

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Quality control a process to monitor quality of a product or service

Answer

Correct Answer: True

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Define Process capability index

Answer

Correct Answer: A measure of how well a process meets its specification limits

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P-diagram identifies the various factors that have an effect on the ______ and ______ of a product or process

Answer

Correct Answer: Design & performance

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_______ is used to monitor the fraction, or proportion, of defects or errors in a product or service

Answer

Correct Answer: P-chart

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Parameter design focuses on determining the ______ and the processes used to produce it so as to minimize variations

Answer

Correct Answer: Optimal design

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Mean chart is a control chart to monitor if the ______ of the process variable is around target

Answer

Correct Answer: Average value

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Numerical maximum and minimum values within which the outputs produced by a process are expected to fall to be considered as having acceptable quality to the customer, also known as

Answer

Correct Answer: Design specification limits

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In Control chart variations in _____ that arise from random natural differences

Answer

Correct Answer: Quality

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Common cause variations arise from ______?

Answer

Correct Answer: Random natural differences

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Which of the correct statements about the Central limit theorem?

Answer

Correct Answer: Theorem that states that as the size of a sample gets larger and larger, its distribution also approaches the normal distribution

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C-chart is an attribute control chart that is used to ______ countable occurrences

Answer

Correct Answer: Monitor

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A quality characteristic that is counted using whole numbers and often categorized using either/or measures is known as

Answer

Correct Answer: Attribute

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