Suppose John has an online company that sells custom rims for cars. John has designed two different Web pages that he wants to use to sell his rims online. However, he cannot decide which page to go with, so he decides to collect data to see which site results in a higher proportion of sales. He hires a firm that has the ability to randomly assign one of his two Web page designs to potential customers. With Web page design I, John secures a sale from 54 out of 523 hits to the page. With Web page design II, John secures a sale from 62 out of 512 hits to the page.
(a) What is the response variable in this study? What is the explanatory variable?
(b) Based on these results, which Web page, if any, should John go with? Why?

  • CreatedApril 28, 2015
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