Run Charts: A Simple and Powerful Tool for Process Improvement
Oct 16, 2024 · The terms time-series chart and run chart are used interchangeably. Run charts are similar in some regards to the control charts used in statistical process control, but do not show the …
A Guide to Control Charts - iSixSigma
Jan 28, 2025 · How do you know which control charts to use for an improvement project? Our guide can help you identify which works best for your needs.
Trend Charts in Quality Management: Enhancing Process Monitoring
Nov 9, 2024 · Trend charts are used to monitor your process change over time. Some of the common trend charts are the run chart, control chart and time series chart.
Using Control Charts or Pre-control Charts - iSixSigma
Sep 14, 2015 · Many quality professionals have declared that pre-control charts have gone the way of the Dodo bird. Before writing them off, however, learn more about pre-control charts and how they …
Common Cause vs. Special Cause Variation: What’s the Difference?
Jan 29, 2025 · A control chart is drafted that shows any variance that occurred during that quarter. With an understanding of how common cause and special cause variance is displayed on a control chart, …
Variable vs. Attribute Data: What’s the Difference?
Feb 20, 2025 · Attribute data is only centered around the utility, benefit, or capability of the subject. Variable vs. Attribute Data: Who Would Use Variable Data and Attribute Data? Business leaders who …
The Power of Run Charts in Identifying Process Trends
Apr 20, 2023 · A run chart is a time sequenced plotting of process data used to look for obvious trends, patterns and changes in your process over time.
Short-Run Statistical Process Control Techniques - iSixSigma
Feb 27, 2024 · In a low-volume, high-mix situation, an entire production run can be fewer parts than are required to start a standard control chart. Standard SPC methods can be modified to work with small …
Monitoring Process Performance with X-Bar and R Charts
Oct 25, 2024 · Best Practices for X-Bar and R Charts There are many ways to improperly construct and use a control chart. Use these tips to get the most value out of your X-bar/R charts. Don’t Control …
Optimizing Quality Control: The Role of Short-Run SPC
Jun 9, 2023 · Short run SPC allows you to create a single chart for monitoring short-run production data when you have multiple products with differing central tendencies and variation.