Roya Hamzeh
Posted on:

26 May 2023
1

Misunderestanding for caculation of P

in A/B Testing in Python / Calculating the sample size of an A/B test

P = (u1 - u2)/2
but when it is calculated it become :(u1 +u2+mde)/2

Why did that happen? What is the right formula? 

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