Lean six sigma green belt

Abnormal, abrupt, and unpredictable instances of variation that result from non-routine circumstances are referred to as which of the following?

Special cause

After running some statistical tests, it was found that the P-value was greater than 0.05 which concluded:

There is no difference or relationship with at least 95% confidence

Amy holds a continuous improvement event for her team to streamline an existing process. She brings in a whiteboard and different colored cards to signify each component of the process as they occur. She divides the board into rows to show what happens before production, during production and after production. Amy is using which of the following tools?

Kanban

An example of Mistake Proofing for a laptop computer includes which of these?

USB connection for a mouse

As a Belt, what does Cp tell you about a process:

What is possible if your process is perfectly centered

Barrier analysis and prediction analysis are techniques used to

uncover the root causes.

Capability studies are intended to be periodic exercises to establish estimations of a process’s ability to meet requirements.

True

Contingency Tables are used to:

Compare more than two sample proportions with each other

During Define, how do you determine what is critical to quality?

By using tools like CTQ tree, quality function deployment, or Kano analysis.

During the Control Phase, the Lean toolbox including items such as 5S, Visual Factory management and Kanbans can be used to ________ a process.

stabilize

Every process has causes of variation commonly known as:

Common and Special Causes

For a crossed Gage R&R study, if 10 parts are being analyzed by 5 quality inspectors and each inspector tests each part 4 times, how many total times is each part being measured in the study?

20

For a Normal Distribution the Mean, Median, and Mode are the same data point.

True

Graphing one metric as a function of another is often used when analyzing data. If the slope of the Correlation line is -0.9 we would say the two metrics are correlated?

Negatively

How are degrees of freedom determined in a 2 mean equal variance t test?

The total number of measurements minus 2.

How can you capture the voice of the customer in Define?

Surveys, interviews, focus groups, customer complaints.

Hypothesis Testing can save time and help avoid high costs of experimental efforts by using existing data.

True

Hypothesis Tests determine the probabilities of differences between observed data and the hypothesis being solely due to ____ based on the result of the P-values.

Chance

If an appraiser is using one instrument several times on a single part's one characteristic, the variation in measurements is called __________?

Repeatability

If the first step in a process has a daily yield of 70%, the second step has a daily yield of 80%, and the third step has a yield of 75%, what is the Rolled Throughput Yield (RTY)?

0.42