Is the normality test needed prior to perform One-way ANOVA test followed by post hoc Turkey test?

I have an experiment like this: control group (n=3), treatment group 1(n=3), and treatment group 2 (n=3). I have one readout for all 3 groups: plasma IL-6 level. do I have to do a normality test...

12 April 2022 1,386 7 View