A/B Testing, or Split Testing A/B testing, also known as split testing. It's a method of comparing two versions of a webpage or app against each other to determine which one performs better. Learning Material: Please watch this video Scenario: BookWorms, an online bookstore, believes that using a different homepage image can increase newsletter sign-ups. They decide to test the current homepage featuring an image of a library (Version A) against a new design with an image of a person reading a book under a tree (Version B ). Data: Over a period of three days, 200 visitors were directed to the website and divided equally between the two versions: Version A (Library Image): - Visitors: 100 - Newsletter Sign-ups: 10 - Conversion Rate: 10% Version B (Person Reading under a Tree): - Visitors: 100 - Newsletter Sign-ups: 15 - Conversion Rate: 15% Assignment Questions: -Which image does BookWorms believe will increase sign-ups? 2. Calculate the Difference in Conversion Rate: - What's the difference in sign-up rates between Version A and Version B? - Can BookWorms be entirely confident in their decision based on this test? Why or why not