The lowercase letter sigma (σ) is used to represent the Weierstrass sigma-function in math, the standard deviation in theoretical spectral analysis, the elasticity of substitution in macroeconomics, the volatility of stocks in finance, the damping ratio in electrical engineering, cross-sections and Pauli matrices in physics, velocity dispersion in astronomy, and 'stress' in engineering fields.
The lowercase letter sigma (σ) is used to represent the Weierstrass sigma-function in math, the standard deviation in theoretical spectral analysis, the elasticity of substitution in macroeconomics, the volatility of stocks in finance, the damping ratio in electrical engineering, cross-sections and Pauli matrices in physics, velocity dispersion in astronomy, and 'stress' in engineering fields.
The symbol for Standard Deviation is a letter of the Greek alphabet, Sigma, lower case σ. You can get it in MS Word by going to the Insert ribbon, selecting Symbol, using the Subset drop-down menu to pick the Greek and Coptic subset, scroll to the 18th lowercase symbol, and click Insert.
Even though the keyboard is designed with many functions, there are always some symbols that are not on it. Fortunately, Microsoft Word allows us to choose from a variety of options including copyright symbol, trademark symbol and celsius symbol, or even mathematical symbols.
When precessing analysis statistics in Word, you might need to insert a mean symbol, which is`x . It is called an x-bar sometimes, and also one of the most important math symbols which can never be ignored. Here are 2 tips to inserta mean symbol in MS Word as well as in Excel for your reference:
Tip 1: Insert a Mean Symbol
Keyboard Shortcut For Standard Deviation On Mac For Word Document
3. The Symbol dialog box will display, select Symbol in the box of Font. Enter 96 in the box of Character code and choose Symbol (decimal) in the box of from.
4. Simply hit Insert, and you get a mean symbol for X as below.
Tip 2: Manual Input a Mean Symbol
1. Go to Insert tab and click Equation button, choose More Symbols in the drop-down box.
2. Select Ink Equation in the drop-down list.
3. The handwriting board will display, simply drag the mouse to insert a mean symbol. Note: If input error occurs, click the Erase button and select the error part to clear it; if identification error occurs, click Select and Correctbutton, then select the character which need to be modified, and pick the correct one in the pop-up list to replace it. If you want to reenter a mean symbol, click Clear button then everything in the handwriting board will be deleted.
4. Simply hit Insert, and you get a mean symbol for X as below.
Note: you could also insert a complex math equation in a Word document by the same method.
In addition to Word, these 2 methods of inserting mean symbol can also apply to Microsoft Excel, and the steps are all the same. Have a try if needed!
Keyboard Shortcut For Standard Deviation On Mac For Word Problems