TABLE 13-4 The Managers of a Brokerage Firm Are Interested in Finding

question 155

Short Answer

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.
-Referring to Table 13-4, the managers of the brokerage firm wanted to test the hypothesis that the number of new clients brought in had a positive impact on the amount of sales generated. The value of the test statistic is ________.

---

Definitions:

Expenses

Costs incurred in the running of a business operation, such as rent, utilities, and salaries.

Acetylcholinesterase

An enzyme that breaks down the neurotransmitter acetylcholine in the synaptic cleft, thereby terminating the signal between nerve cells.

Tropomyosin

A protein that runs along the length of the actin filament in muscle fibers and, along with troponin, regulates muscle contraction.

Sarcoplasmic Reticulum

A network of membranes found within muscle cells that stores and releases calcium ions, aiding in muscle contraction.