I played with an existing answer and found a much compact alternative using SUMPRODUCT.
Formula
=SUMPRODUCT((A$2:A$4)*(B$2:D$4=A7))/COUNTIF(B$2:D$4, A7)
Output
Name | Count | Average |
---|---|---|
Anna | 2 | 3.5 |
Kylie | 1 | 3 |
Lois | 1 | 4 |
Michelle | 2 | 4.5 |
References: SUMPRODUCT