QUESTION: 45

Which of the following facts are true about X-bar and R charts?

These are the two charts of monitoring the behavior and the outcome of any process.
This is a tool for starting up the Six Sigma.
This two chart is used for counting the total manufactured products and the total requirement of manufacturing.
It is used for the production of process report in Six Sigma.

Answer(s): A

Explanation:

This is a set of chart, which is the most important factor of process control, they include the inspection of behavior and outcome of any process of manufacturing.

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QUESTION: 46

What is the Pareto principle?

It is the 80/20 rules in six sigma belt, in most of the cases, 20% of the effect comes from the 80% of the causes.
It is the 90/10 rules in Sigma Belt.
It is used with continuous measuring in Sigma Belt.
It is one of a different kinds of variation use in six Sigma.

Answer(s): A

Explanation:

The pareto principle states that for most of the cases 80% of any effect is caused from 20% of the main reason. This principle is worldwide accepted at present.

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QUESTION: 47

What are the main variations of six sigma?

mean, median, range and mode
DPPM and COPQ
Pareto principle and R charts
Only mean and median

Answer(s): A

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QUESTION: 48

What is standard deviation?

It is a measuring process to measuring the average spread of data.
This is the process of deviation.
It is a process capability index.
It is the process of calculating the difference between customer requirement and production.

Answer(s): A

Explanation:

It is the process of calculating the difference between customer requirement and production.

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