Topics: Assessing normality for a continuous (quantitative) variable.
Category: Probabilities and Distributions
JMP features: Analyze > Distribution, Normal Quantile Plot.
Open One-Page Guide (PDF)
I found this article easy to apply to my real life data, thank you.
Glad to hear it, thanks!
So, we do not need to calculate the residual before the normality test.
I ask this question because I found these steps (https://scholar.vt.edu/access/content/group/43c8db00-e78f-4dcd-826c-ac236fb59e24/STAT5606/AnovaJMP.h...):
Analyze the residuals to check the assumption of normality
Btw, now it's clear for me.