TABLE 13-4
the Managers of a Brokerage Firm Are Interested

question 3

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. $\begin{array}{cccc}\underline {\text { Broker } } & \underline {\text { Clients } }& \underline {\text { Sales }} \\1 & 27 & 52 \\2 & 11 & 37 \\3 & 42 & 64 \\4 & 33 & 55 \\5 & 15 & 29 \\6 & 15 & 34 \\7 & 25 & 58 \\8 & 36 & 59 \\9 & 28 & 44 \\10 & 30 & 48 \\11 & 17 & 31 \\12 & 22 & 38\end{array}$
-Referring to Table 13-4, the managers of the brokerage firm wanted to test the hypothesis that the population slope was equal to 0. The denominator of the test statistic is $S_{b_{1}}$ . The value of $S_{b_{1}}$
in this sample is ________.

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Definitions:

Good Samaritan Statutes

Laws that offer legal protection to people who give reasonable assistance to those who are, or who they believe to be, injured, ill, in peril, or otherwise incapacitated.

Voluntary Aid

Assistance given freely and without obligation, often in the context of emergency or humanitarian efforts.

Strict Liability

Legal principle where the defendant is liable for the consequences of an action, regardless of their intention or negligence.

Inherently Dangerous

Activities or conditions that naturally involve a risk of injury or harm without needing negligence to be proved for liability.