How to calculate average without max and min values in Excel?

As we all known, the normal Average function will get the average value of all the selected cells in Excel. But here, you want to calculate the average excluding the highest and lowest values from the selected numbers, how could you solve this problem?

Calculate average without max and min with formulas

Calculate average without max and min with User Defined Function

Calculate average without max and min with formulas

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The following combined functions can help you to average a range of values without the max and min numbers, please do as this:

Formula 1:=(SUM(A2:A12)-MIN(A2:A12)-MAX(A2:A12))/(COUNT(A2:A12)-2)

Formula 2:=TRIMMEAN(A2:A12,2/COUNT(A2:A12))

You can enter one of the above formulas into a blank cell, see screenshot:

Then press Enter key, and you will get the average result which ignoring one largest and one smallest number.

Note: In the above formulas, A2:A12 indicates the data range that you want to calculate, you can modify it as you need.

Calculate average without max and min with User Defined Function

Besides the formulas, you can solve this task by creating a User Defined Function, do as following steps:

1. Hold down the ALT + F11 keys, and it opens the Microsoft Visual Basic for Applications window.

2. Click Insert > Module, and paste the following code in the Module Window.

``````Function Avewithoutmaxmin(region) As Variant
'Update 20140325
With Application
Avewithoutmaxmin = (.Sum(region) - .Max(region) - .Min(region)) / _
(.Count(region) - 2)
End With
End Function
``````

3. Save and close this code, then back to the worksheet, and enter this formula =Avewithoutmaxmin(A2:A12), (A2:A12 indicates the data range that you want to calculate the average excluding the max and min values, you can modify it as you need.) see screenshot:

4. Then press Enter key, and you will calculate the average value which excluding the max and min numbers.

Related article:

How to average a range of data ignoring zero in Excel?

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