A market analyst wants to know if the new website he designed is showing increased page views per visit. A customer is randomly sent to one of two different websites, offering the same products, but with different designs. The accompanying table shows the data from 30 randomly chosen customers from each website. Assume that the data come from a distribution that is Normally distributed. Complete parts a through c below. Click the icon to view the data table and summary statistics of website page views per visit. Data Table and Summary Statistics X a) Find a 95% confidence interval for the mean difference, HA - Up, in page views from the two websites. Round to two decimal places as needed.) YA = 8.63 YB = 7.83 2 = 13.83 2 SA SB = 14.56 SA = 3.72 SB = 3.82 YA - yB = 0.80 SE (YA - VB ) = 0.97