These are typically captured using a control chart -- a statistical tool used ... from which the you can determine mean and standard deviation. There are two main types of control charts that ...

With that, Excel can generate a series of random numbers based on the data entered and the standard deviation. With this data you can then create a curved chart, known as a bell curve. Launch ...

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 ...

Still, it can be informative. Carlos points to emerging market and U.S. small-cap stocks, which have a higher standard deviation than U.S. investment-grade bonds. "The higher your investment's ...

First, let's look at what a standard deviation is measuring. Consider two small businesses with four employees each. In one business, two employees make $19 an hour and the other two make $21.

I suppose I am merely echoing what I have heard some fund managers say: a large (small) standard deviation of performance does not equate to risk (or lack thereof). You have undoubtedly heard this ...

A bell curve is a graph that shows how values in a dataset ... and median of the data collected. Its standard deviation depicts the bell curve's relative width around the mean.

The standard deviation of returns in a portfolio measures investment risk and consistency in investment earnings. Lower covariance between portfolio securities results in lower portfolio standard ...