A/B Testing (20 points) Julie, a micro-entrepreneur, operates an online store that sells sport clothes. She would like to know whether adding a welcome logo to the old store website helps bring more visitors. She provides you with the web data (in the Excel document "ABtesting.xlex" worksheet "Data Julie") and would like you to help her with this issue. 16. Which variable in the data tells you the information about the number of visitors who view the old store website? (2 points)+ tettet 17. Does adding a welcome logo to the old store website help bring more visitors for Julie's store? Explain your answer. (Hint: You can conduct an A/B test to answer this question.) (10 points) tittit