TLDR For two groups with a two-sided alternative, normal distribution with homogeneous variances ( \(\sigma_0^2 = \sigma_1 ^2 = \sigma ^2)\) and equal sample sizes (\(n_0 = n_1 = n\)),
How to Determine the Sample Size of AB Test?
TLDR For two groups with a two-sided alternative, normal distribution with homogeneous variances ( \(\sigma_0^2 = \sigma_1 ^2 = \sigma ^2)\) and equal sample sizes (\(n_0 = n_1 = n\)),