Standard Deviation with Criteria - Power Query, PivotTable, or Array Formula

Learn how to calculate average and standard deviation with criteria in Excel using three different methods: array formulas, PivotTables, and Power Query. Explore the AVERAGEIFS function, STDEV.S function with IF conditions in array formulas, and discover how to utilize PivotTables for quick calculations. Dive into Power Query examples, including grouping rows and using the List.StandardDeviation function. Master these techniques to efficiently analyze data and gain valuable insights from your Excel spreadsheets.

) Introduction & Setup.
) Array Formula for calculating Average and Standard Deviation with Criteria. See AVERAGEIFS function and the STEDV.S & Two IF functions in an Array Formula..
) PivotTable for calculating Average and Standard Deviation with Criteria..
) Power Query Example 1: Group By All Rows & Extra Column with List.StandardDeviation Power Query Function. Use Group By to calculate Average and Standard Deviation with Criteria..
) Power Query Example 2: Use Group By Power Query Feature and then change M Code from List.Average Function to List.StandardDeviation function..
) Summary.