How to Calculate the Average Standard Error Using Microsoft Excel

How to Calculate the Average Standard Error Using Microsoft Excel
How to Calculate the Average Standard Error Using Microsoft Excel

Table of contents:

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This article teaches you how to calculate the average standard error using Excel. Calculate the standard error by dividing the Standard Deviation (σ) by the square root (√) of the number of samples.

Step

Calculate Standard Error of the Mean in Excel Step 1
Calculate Standard Error of the Mean in Excel Step 1

Step 1. Open Microsoft Excel

The app has a green icon that looks like a spreadsheet with an “X” on it.

Calculate Standard Error of the Mean in Excel Step 2
Calculate Standard Error of the Mean in Excel Step 2

Step 2. Open or create a new Excel document

If you already have a document containing data, reopen it by clicking “Open” or Open. You can also create a new document by clicking “New” or New and entering the data you want to use.

Calculate Standard Error of the Mean in Excel Step 3
Calculate Standard Error of the Mean in Excel Step 3

Step 3. Find the Standard Deviation

Although calculating the Standard Deviation usually requires several mathematical steps, you can do this by typing the following formula =stdev(''cell range'').

For example, if your data is in boxes A1 to A20, type =stdev(A1:A20) into an empty box to get the Standard Deviation number

Calculate Standard Error of the Mean in Excel Step 4
Calculate Standard Error of the Mean in Excel Step 4

Step 4. Type the Standard Average Error formula into an empty box

The formula for calculating Standard Average Error in Excel is =stdev(''cell range'')/SQRT(count("cell range")).

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