TABLE 12-4 The Managers of a Brokerage Firm Are Interested in Finding

question 123

Short Answer

TABLE 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.

-Referring to Table 12-4, the managers of the brokerage firm wanted to test the hypothesis that the population slope was equal to 0. At a level of significance of 0.01, the decision that should be made implies that ________ (there is a or there is no)linear dependent relationship between the independent and dependent variables.

---

Definitions:

Thoracentesis

is a medical procedure involving the removal of fluid or air from the pleural space via a needle or tube to diagnose or treat disease.

Chest Wall

Refers to the structures that enclose and protect the thoracic cavity, including the ribs, sternum, and intercostal muscles.

Fluid

A substance that flows and can take the shape of the container that holds it; can be a liquid or gas.

Emphysema

A long-term, progressive lung disease characterized by shortness of breath and destruction of air sacs in the lungs, affecting their elasticity.