TABLE 13-4 The Managers of a Brokerage Firm Are Interested in Finding

question 155

Short Answer

TABLE 13-4
The managers of a brokerage firm are interested in finding out if the number of new clients a broker brings into the firm affects the sales generated by the broker. They sample 12 brokers and determine the number of new clients they have enrolled in the last year and their sales amounts in thousands of dollars. These data are presented in the table that follows.
-Referring to Table 13-4, the managers of the brokerage firm wanted to test the hypothesis that the number of new clients brought in had a positive impact on the amount of sales generated. The value of the test statistic is ________.

---

Definitions:

EVPI

Expected Value of Perfect Information, a concept in decision theory that quantifies how much a decision maker would be willing to pay for information that would lead to a perfectly informed decision.

Decision Tree

A graphical representation of choices and their potential outcomes, including chance event outcomes, resource costs, and utility.

Expected Value Criterion

A decision-making approach based on the weighted average of all possible outcomes, with each outcome's weight being its probability of occurrence.

Variable Cost

Costs that change in proportion to the level of activity or volume of production, such as materials and labor costs.