AVERAGEIF Function in Excel

range: range of cells that you want to check the criteria
criteria: condition which you want to apply
[average_range]: range of cells to find average based on criteria, if it is missing it will consider the first rang as average_range

AVERAGEIF Function in Excel – Examples

Example 1: finding Average of the salaries more than 2500
Example 2: finding Average of all Salries of HR Department
Example 3: finding Average of all Salries of Year 2012
Example 4: finding Average of all Salries of Year 2012
Example 5: finding Average of all Salries of Admin Department

Reference:

Please refer the below article for more Statistical Excel functions.
Statistical Excel Formulas

Please refer the below article for more Excel Functions.
Excel Formulas | Home