Control charts have two general uses in an improvement project. Undeniably, the most common application is as a tool to ...

Key Points Process capability analysis is measuring the parts of your process that are in your control. It can be a long-term ...

Here is a quick overview for an understanding a standard deviation chart data set. You can see how the examples of the data will fall within one standard deviation of the mean for approximately 68% of ...

Standard Deviation: In Defense of an Often-Dismissed Investing Metric Debunking three arguments against this valuable risk-assessment tool.

How to Make a Curved Chart for Standard Deviation in Excel. Using Microsoft Excel you can create charts based on the data and formulas entered in a worksheet. Enter a sample range of numbers in ...

The charts are shown in . The subgroup standard deviations are all within their control limits, indicating the process variability is stable. However, the chart displays a nonlinear trend that makes ...

Standard deviation is a concept that's thrown around frequently in finance. So what is it? When working with a quantitative data set, one of the first things we want to know is what the "typical ...