Testing for Normality

Data Visualizations for Normality

If we would like to visually see if the sample seems to follow normality or situations we wish to set a pre-test prediction, we can use the following two types of visualization techniques for Normality, namely PP Plot and QQ Plot.

Tests of Normality

Lets explore one famous test for Normality, the Kolmogorov-Smirnov (KS) test with its R application.

KS Plot

We can also obtain the KS plot using the following set of commands for the random values generated:



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