Question: import numpy as np # Semiannual returns returns = np . array ( [ - 2 . 2 3 , 3 . 2 4 ,

import numpy as np
# Semiannual returns
returns = np.array([-2.23,3.24,1.24,-0.64])/100
# Calculate standard deviation
std_dev = np.std(returns)
# Annualize
annualized_std_dev = std_dev * np.sqrt(2)
# Convert to percentage
annualized_std_dev_percent = annualized_std_dev *100

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