PCAD-31-02 Exam Dumps | Which transformation method adjusts the mean of the dataset to 0 and the standard deviation to 1?

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Python Institute Certified Associate Data Analyst with Python (PCAD-31-02)
PythonInstitute.PCAD-31-02.v2026-04-23.q65
Question 28

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Question 28/65

Which transformation method adjusts the mean of the dataset to 0 and the standard deviation to 1?

A. Z-score normalization

B. Min-max normalization

C. Log transformation

D. One-hot encoding

Correct Answer: A

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