Code QuizIntermediate Z-Score Standardization
Identify the scaling error in this z-score standardization.
Codepython
import numpy as np
x = np.array([2, 4, 4, 4, 5, 5, 7, 9])
# Standardize to mean 0, std 1
standardized = (x - x.mean()) / x.var()
print(standardized)
What is the bug in this standardization code?