A control chart plots measured values along with upper and lower quality control limits. Values appearing outside these limits are unacceptable and could indicate a manufacturing problem. Although ...

If you understand the definition of a mathematical function, a good way to judge it is that any line drawn parallel to the y-axis intersects with the values in the function’s curve only once. The same ...

Of the 17 different types of charts in Excel, I'd confidently speculate that only a few are used frequently. Actually, they all have their benefits in different circumstances and allow you to display ...