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

question 104

Short Answer

Instruction 12-4
The managers of a brokerage firm are interested in finding out if the number of new customers a broker brings into the firm affects the sales generated by the broker.They sample 12 brokers and determine the number of new customers they have enrolled in the last year and their sales amounts in thousands of dollars.These data are presented in the table that follows.
$\begin{array}{ccc}\text { Broker}&\text {Clients }&\text {Sales }\\\hline1 & 27 & 52 \\2 & 11 & 37 \\3 & 42 & 64 \\4 & 33 & 55 \\5 & 15 & 29 \\6 & 15 & 34 \\7 & 25 & 58 \\8 & 36 & 59 \\9 & 28 & 44 \\10 & 30 & 48 \\11 & 17 & 31 \\12 & 22 & 38\end{array}$
-Referring to Instruction 12-4,the managers of the brokerage firm wanted to test the hypothesis that the true slope was equal to 0.At a level of significance of 0.01,the decision that should be made implies that ________ (there is or there is no)linear dependent relation between the independent and dependent variables.

---

Definitions:

Occupational Injuries

Injuries or illnesses that occur as a result of exposures or incidents in the workplace.

Productive Cough

A cough that brings up mucus or phlegm from the respiratory tract, typically indicative of an infection or the clearing of airway obstructions.

High Fever

An unusually elevated body temperature, often indicating an underlying medical condition or infection.

Sterile Irrigation

The process of cleaning or washing out a wound or body cavity with a fluid, specifically one that has been sterilized to avoid infection.