2.Ten thousand users of an e-commerce web site were randomly allocated over a one-day period to see if a new version of the website(l3) would lead to increased sales compared to the existing version of the web page {A}.The data is in the file ABtestcsV. The column labelled page indicates which website the user viewed and the column labelled saies indicates sales in Canadian dollars. Answer the following questions using R. a) How many values does the randomization distribution of the difference in median sales between the two web pages contain? b) Create a histogram of this randomization distribution. What is the randomization P-value of your test? {Hand in you R code and output for this part}