The residential division of Prism's high-speed Internet service uses one advertising agency, while its commercial division uses another. Two analysts, Andy and Brad, are asked to test the effectiveness of the two agencies. Andy proposes an A/B test that compares the click-through rates per ad of the two agencies. Brad proposes a difference-in-difference test in which the budgets for both agencies are increased by 50%, and the percentage changes in the click-through rates are compared. What might be the sources of selection bias for the two proposals? Which is likely to be smaller?
Answers: 2
Business, 22.06.2019 10:30
The advertisement demonstrates a popular way companies try to sell a product. what should consumers consider when it comes to the price of this product? it includes shipping and handling costs. it takes into account maintenance costs. it explains why this price is a good deal. it makes the full cost appears lower than it is.
Answers: 1
Business, 22.06.2019 12:10
Laws corporation is considering the purchase of a machine costing $16,000. estimated cash savings from using the new machine are $4,120 per year. the machine will have no salvage value at the end of its useful life of six years and the required rate of return for laws corporation is 12%. the machine's internal rate of return is closest to (ignore income taxes) (a) 12% (b) 14% (c) 16% (d) 18%
Answers: 1
Business, 22.06.2019 19:50
Joe pays ann to mow his lawn and ann mows vanna's lawn by mistake. vanna peers out her window and sees ann mowing, yet says nothing to ann about her mistake since vanna needs to have her lawn mowed. when ann approaches vanna for payment, vanna refuses, arguing that she never asked ann to mow her lawn. under these circumstances, ann can recover payment from vanna under:
Answers: 1
The residential division of Prism's high-speed Internet service uses one advertising agency, while i...
Mathematics, 12.11.2020 02:20
Mathematics, 12.11.2020 02:20
English, 12.11.2020 02:20
Engineering, 12.11.2020 02:20
English, 12.11.2020 02:20
Mathematics, 12.11.2020 02:20
Mathematics, 12.11.2020 02:20
Mathematics, 12.11.2020 02:20
Mathematics, 12.11.2020 02:20
Mathematics, 12.11.2020 02:20
Biology, 12.11.2020 02:20