Post hoc test | Fisher's LSD – explained

In this second video about post hoc tests, we will have a look at Fisher's LSD method. t-test vs Fisher's LSD (02:38) Why you should only use Fisher's LSD after a significant ANOVA (03:46) How to calculate Fisher's LSD (04:48) Why it is ok to use Fisher's LSD when we have three groups (06:30) Why it is NOT ok to use Fisher's LSD when we have more than three groups (09:18)