When performing regression or classification, which of the following is thecorrect way to preprocess the data

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Question:When performing regression or classification, which of the following is thecorrect way to preprocess the data

1.Normalize the data -> PCA -> training

2.PCA -> normalize PCA output -> training

3.Normalize the data -> PCA -> normalize PCA output -> training

4.None of the above

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  1. When performing regression or classification, which of the following is thecorrect way to preprocess the data
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