# Keyword Analysis & Research: standard deviation symbol

## Keyword Research: People who searched standard deviation symbol also searched

How do you type the Standard Deviation symbol?

Place the insertion pointer where you need to type the Standard Deviation symbol. Press and hold the Alt key on your keyboard. Whilst pressing down the Alt key, press the Sigma sign alt code ( 228) using the numeric keypad. Use 229 for sigma lowercase.

How do you calculate standard deviation?

Standard deviation is calculated by taking the square root of the variance, which itself is the average of the squared differences of the mean. One of the reasons for the widespread popularity of the standard deviation measurement is its consistency.

What is the meaning of standard deviation?

The Standard Deviation is a measure of how spread out numbers are. The formula is easy: it is the square root of the Variance. So now you ask, "What is the Variance?" Then for each number: subtract the Mean and square the result (the squared difference ). Then work out the average of those squared differences.

How do you insert the standard deviation symbol in Excel?

There are a few ways you can add this symbol to an Excel spreadsheet. Click Insert >> Symbols >> Symbol. A new window will appear. Because sigma ( standard deviation symbol) is a Greek letter, in the subset, check Greek and Coptic. Click Insert to place the number. You can add more than one number this way – one after another.