SCENARIO 12-4
the Managers of a Brokerage Firm Are Interested

question 203

Short Answer

SCENARIO 12-4
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 Scenario 12-4, the managers of the brokerage firm wanted to test the hypothesis thatthe population slope was equal to 0.The denominator of the test statistic is s $b$ 1.The value of s1 $b$ in this sample is _.

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Definitions:

Phlebitis Grade

A classification system used to indicate the severity of phlebitis, an inflammation of the veins, typically in the legs.

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A classification system used to assess the severity of fluid or medication leakage from a vein into the surrounding tissue during intravenous therapy.

Blood Transfusion

The process of transferring blood or blood-based products from one person into the circulatory system of another.

Two-Way Valves

Valves that allow fluid or air to flow in two directions, commonly used in various mechanical and biological systems to control the passage of substances.