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 data is shown in the table to the right. Complete parts a through c below. a) Find the estimated mean difference, {I1 - 372, in page visits between the two websites The estimated mean age difference between the two websites is pages. (Type an integer or a decimal.) b) Find the standard error of the estimated mean difference. SE (371 - 92) = pages (Round to two decimal places as needed.) 0) Calculate the t-statistic for the observed dierence in mean page visits assuming that the true mean difference is 0. t = (Round to two decimal places as needed.)