[jessicaraygun]

Yes! This is very important to us in dealing with transactional email.

Our Z-Test Method in Confidence.js pinpoints when results become statistically significant by calculating the required sample size at any given time using the standard error, zScore, and margin of error. If we have more samples than required, we can stop our test with confidence that we have statistically significant results.

We're still working out a way to do this with the new method - we have a hunch it might have to do with identifying when the confidence level becomes stable (as it does with more samples over time).