The standard deviation is a statistic that tells you how tight or loose the range/spread of data is in relation to the mean or average of the data. Typically when a data range is clustered tightly the "bell curve" will be tall/steep. When the data is range is spread far apart the "bell" will appear flat or short and wide. Example of Spread: How to Calculate Standard Deviation:
Formulas in Google Sheets:
Remember that all formulas begin with an equal sign inside of your cell in google sheets.
Ref: Google Docs Editor Help - STDEV
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Thank you for providing a clear and concise explanation of standard deviation, including its definition, importance, and calculation. The example of the bell curve and the formula for calculating standard deviation were particularly helpful. It's also great to see the different formulas available in Google Sheets. Keep up the good work!
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May 2023
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