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

question 47

Essay

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. $\begin{array}{lll}\text { Broker}& \text { Clients }& \text {Sales }\\\hline1 & 27 & 52 \\2 & 11 & 37 \\3 & 42 & 64 \\4 & 33 & 55 \\5 & 15 & 29 \\6 & 15 & 34 \\7 & 25 & 58 \\8 & 36 & 59 \\9 & 28 & 44 \\10 & 30 & 48 \\11 & 17 & 31 \\12 & 22 & 38\end{array}$
-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 _.

---

Definitions:

Blood Viscosity

The measure of the thickness and stickiness of an individual's blood, which affects how easily it flows through the vessels.

Pumping Action

It refers to a mechanical or physiological function where a fluid is moved through or out of a system, such as the heart pumping blood through the circulatory system.

Respiratory Rate

The number of breaths an individual takes per minute, an important vital sign indicating the respiratory health and metabolic function of a person.

Intracranial Pressure

The pressure exerted by fluids such as cerebrospinal fluid (CSF) within the skull on the brain tissue, used to assess and monitor conditions like head injuries or brain swelling.