Dean and Janet, Co-Owners of a Small Bookshop Catering to Mystery

Dean and Janet, co-owners of a small bookshop catering to mystery lovers called WhoDunIt?, built an e-commerce website to increase revenues. In April, they checked the analytics on their website and found the following data for the month: unique visitors 120, average number of page views per visitor 18, average time spent on site per visitor 4.5 minutes, number of purchases 12, and number of people abandoning shopping cart 3. They felt they could improve so they made several significant changes and additions to the site. Which of the following data from August indicate that this new version of their website has increased their conversion rate? ​

A) Unique visitors 150 and average number of page views per visitor 23
B) Average number of page views per visitor 26 and average time spent on site per visitor 6.3 minutes
C) Unique visitors 180, average time spent on site per visitor 5.8 minutes, and number of purchases 18
D) Unique visitors 160, number of purchases 19, and number of people abandoning shopping cart 2