Testing for Normality (QQ-Plots)

QQ-Plots

QQ-Plots are a more rebust test for normallity and provide visual feedback on the nature of the data. It is also recommended to histogram the data to see if it appears normal.

Executing a QQPlot in R is really easy:

TheVector=rnorm(1000,mean=0,sd=1)
qqnorm(TheVector) 

Other Resources

Issues with Tests for Normality