How to Interpret the Mean & Standard Deviation on a Control Chart. The extent to which products meet specifications needs to be systematically monitored in a production process.

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.

The bottom line on finding standard deviation. An asset's standard deviation isn't enough to tell you whether or not investing is a good idea. It's also not necessarily predictive, ...

The standard deviation is the square root of the variance. Unfortunately, according to mathematical theory, you can’t do arithmetic operations with standard deviations, although you can with ...