Podcast
Questions and Answers
What is the main goal of Statistical Process Control (SPC)?
What is the main goal of Statistical Process Control (SPC)?
- To increase process variation
- To create a detailed flowchart
- To stabilize the process and meet customer requirements (correct)
- To focus on recognizing improvements
What is the purpose of using small Post-it® notes on a flowchart?
What is the purpose of using small Post-it® notes on a flowchart?
- To make the process less changeable
- To limit the number of decisions and activities
- To demonstrate process improvements
- To increase clarity and ease of change (correct)
When can improvement efforts begin in a process?
When can improvement efforts begin in a process?
- Before stabilizing the process
- After stabilizing and making the process predictable (correct)
- Before meeting customer requirements
- After implementing the process indicators
What is the significance of control charts and histograms in a process?
What is the significance of control charts and histograms in a process?
How should detailed sub-processes be managed in a flowchart?
How should detailed sub-processes be managed in a flowchart?
Where should every person or department involved in delivering the product or service be listed on a flowchart?
Where should every person or department involved in delivering the product or service be listed on a flowchart?
What are the two outcomes for any improvement effort?
What are the two outcomes for any improvement effort?
How do customers specify their requirements for targets and tolerances?
How do customers specify their requirements for targets and tolerances?
What are specification limits used to determine?
What are specification limits used to determine?
How are control limits in control charts different from specification limits?
How are control limits in control charts different from specification limits?
What are the three key characteristics of distributions mentioned in the text?
What are the three key characteristics of distributions mentioned in the text?
How can you monitor the outcomes of improvement efforts according to the text?
How can you monitor the outcomes of improvement efforts according to the text?
What does a shape parameter of less than 1 in failure rate describe?
What does a shape parameter of less than 1 in failure rate describe?
What does a shape parameter of 3.6 in failure rate approximate?
What does a shape parameter of 3.6 in failure rate approximate?
What does the scale parameter (characteristic life) signify?
What does the scale parameter (characteristic life) signify?
How can one determine when a certain percent of parts will have failed using Weibull Probability Plot?
How can one determine when a certain percent of parts will have failed using Weibull Probability Plot?
In the given example, what percentage of parts will have failed by time 27?
In the given example, what percentage of parts will have failed by time 27?
How can one calculate the actual defect rate in parts per million (PPM)?
How can one calculate the actual defect rate in parts per million (PPM)?
What does the Cpk measure in statistical process control?
What does the Cpk measure in statistical process control?
If Cp is less than Cpk, what does it indicate?
If Cp is less than Cpk, what does it indicate?
What is the main difference between Pp and Ppk in statistical process control?
What is the main difference between Pp and Ppk in statistical process control?
In statistical process control, what does Weibull analysis excel at?
In statistical process control, what does Weibull analysis excel at?
What corrective action should be taken if Cp = Cpk and both are between 1.0 and 1.33?
What corrective action should be taken if Cp = Cpk and both are between 1.0 and 1.33?
What type of data is Weibull analysis especially suited for?
What type of data is Weibull analysis especially suited for?
What is the purpose of the XbarS chart?
What is the purpose of the XbarS chart?
What should be done to view charts for each data set in the X Chart Formulas Data Input Sheet?
What should be done to view charts for each data set in the X Chart Formulas Data Input Sheet?
When is the Xmr or c, p, u, np chart dashboard opened?
When is the Xmr or c, p, u, np chart dashboard opened?
What do the control chart dashboards in QI Macros contain?
What do the control chart dashboards in QI Macros contain?
Which type of chart is used to monitor and evaluate process performance when there are more than 25 samples per period?
Which type of chart is used to monitor and evaluate process performance when there are more than 25 samples per period?
What action should be taken to create a dashboard with each available control chart?
What action should be taken to create a dashboard with each available control chart?
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