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

Control limits, how do they work? Is it a probability limit? Is it an economic limit? Read on to find out! A control chart consists of several parts. It has two limits. The bottom dashed line is ...

The extent to which products meet specifications needs to be systematically monitored in a production process. Product quality will typically be defined by two quantities: deviations from stated ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...