How to Understand & Calculate Statistical Significance [+ Example]
Recently, I was preparing to send an important bottom-of-funnel (BOFU) email to our audience of 5,000 subscribers. I had two subject lines and couldn’t decide which would perform better. Naturally, I thought, “Let’s A/B test them!” However, our email marketer quickly pointed out a limitation I hadn’t considered: our list size of 5,000 subscribers was … Read more