TABLE 13-4
the Managers of a Brokerage Firm Are

question 33

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.
$\begin{array}{lll}\text { Broker } & \text { Cliente } & \text { Sales } \\1 & 27 & 52 \\2 & 11 & 37 \\3 & 42 & 64 \\4 & 33 & 55 \\5 & 15 & 29 \\6 & 15 & 34 \\7 & 25 & 58 \\8 & 36 & 59 \\9 & 28 & 44 \\10 & 30 & 48 \\11 & 17 & 31 \\12 & 22 & 38\end{array}$


-Referring to Table 13-4, suppose the managers of the brokerage firm want to obtain a 99% prediction interval for the sales made by a broker who has brought into the firm 18 new clients. The t critical value they would use is ____.

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Definitions:

Beneficence

The ethical principle of doing good, often applied in healthcare contexts to refer to actions that promote the well-being of individuals and the public.

Gift Agreement

A legal contract between a donor and a recipient, often an organization, outlining the conditions under which a donation is made, including the purpose and manner of its use.

Gift Standards Charter

A document outlining the principles, ethics, and standards governing the acceptance, management, and acknowledgment of gifts in an organization.

Special Gift

A unique or exceptional item or talent given from one individual to another or recognized within oneself.