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:

Conscious Experience

The range of experiences that one is aware of, including thoughts, feelings, perceptions, sensations, and the surrounding environment at any given moment.

Physiological Arousal

Physiological arousal involves the activation of the body's autonomic nervous system, leading to physical changes such as increased heart rate, blood pressure, or adrenaline in response to stimuli.

Stanley Schachter

An American psychologist best known for his development of the two-factor theory of emotion, which considers both physiological arousal and cognitive interpretation.

General Bodily Arousal

A state of physiological alertness and readiness in the body, often in response to stimuli or stressors, involving various physiological systems.