A rough and quick video on how to get Excel to do a two-way ANOVA and Tukey's HSD, plus a column graph with letter labels to distinguish significant means.
The excel file used in the video is here:
https://docs.google.com/spreadsheets/d/11XrVbv2Ul1Qz2z_-WScT-dMcSTfmrp--/edit?usp=sharing&ouid=114458389668465737401&rtpof=true&sd=true