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. true or false: andy's proposal is more likely than brad's to suffer from bias due to issues with "representativeness."

Of the roles commonly found in the development, maintenance, and compliance efforts related to a policy and standards library, which of the following has the responsibilities of directing policies and procedures designed to protect information resources, identifying vulnerabilities, and developing a security awareness program?

Overspeculation and a decrease in consumer confidence are both leading factors of: ?

At a student café, there are equal numbers of two types of customers with the following values. the café owner cannot distinguish between the two types of students because many students without early classes arrive early anyway (i.e., she cannot price-discriminate). students with early classes students without early classes coffee 70 60 banana 51 101 the marginal cost of coffee is 10 and the marginal cost of a banana is 40. the café owner is considering three pricing strategies: 1. mixed bundling: price bundle of coffee and a banana for 161, or just a coffee for 70. 2. price separately: offer coffee at 60, price a banana at 101. 3. bundle only: coffee and a banana for 121. do not offer goods separately. assume that if the price of an item or bundle is no more than exactly equal to a student's willingness to pay, then the student will purchase the item or bundle. for simplicity, assume there is just one student with an early class, and one student without an early class. price strategy revenue from pricing strategy cost from pricing strategy profit from pricing strategy 1. mixed bundling $ $ $ 2. price separately $ $ $ 3. bundle only $ $ $ pricing strategy yields the highest profit for the café owner.