Standard deviation (SD) is still the most widely used measure of dispersion, or in financial markets, risk.That all sounds a bit technical but it's actually pretty straightforward to understand. It is ...

To get the median, put all of the numbers in a set in increasing numerical order. Count how many numbers there are in each set. This is shown here: If the number of items in a set is even, divide it ...

The mean ping time reveals the typical round-trip duration. Standard deviation indicates how much ping times vary from the mean. More pings may mean more accurate results, but the distribution of ping ...

There are dozens of different kinds of risks inherent to investing. If you buy long-term bonds, you could be slaughtered by a sudden attack of inflation or a hike in interest rates. If you buy ...

Standard deviation is a widely used metric to ascertain the investment risk of mutual funds. The concept of Standard Deviation becomes important when you invest in a market-linked product like mutual ...