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deepak-karkala/abtesting_normal_ztest.py

Created December 29, 2020 06:43
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Z-test for A/B testing
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abtesting_normal_ztest.py
# A/B testing: Z-test for Booking time (Normal Distribution)
from scipy.stats import norm
mu_A, std_A, n_A = 300, 105, 10000
mu_B, std_B, n_B = 296, 120, 10000
Z = (mu_A - mu_B)/np.sqrt(std_B**2/n_B + std_A**2/n_A)
pvalue = norm.sf(Z)
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