When you have the average production of three machines, it is easy to calculate the average ... and suggested he needed to do the pooled standard deviation – not the straight average deviation.

But how do you interpret standard deviation once ... The variance is needed to calculate the standard deviation. These numbers help traders and investors determine the volatility of an investment ...

You can calculate standard deviation of an asset in a spreadsheet ... you can quickly populate cells D5 through D12. Do this by hovering your cursor over the lower right corner of D4 until you ...