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

question 41

Essay

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

-Referring to Table 13-4, the managers of the brokerage firm wanted to test the hypothesis that the true slope was equal to 0. The p-value of the test is_____ .

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Definitions:

Turned "Off"

A phrase indicating something is inactive, not in operation, or not engaged.

Dim Illumination

Refers to low levels of light in an environment, impacting visibility and sometimes mood or behavior.

Rods

Photoreceptor cells in the retina of the eye that are highly sensitive to light and enable vision in low-light conditions.

Cones

Photoreceptor cells in the retina of the eye that function best in bright light and are responsible for color vision and sharpness of vision.