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

question 105

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 that the number of new clients brought in had a positive impact on the amount of sales generated.Fora test with a level of significance of 0.01, the null hypothesis should be rejected if the value of the test statistic is _.

---

Definitions:

Protein

Large biomolecules composed of one or more long chains of amino acid residues, crucial for the structure, function, and regulation of the body's cells, tissues, and organs.

Amino Acids

Organic compounds that serve as the building blocks of proteins, containing both an amino group and a carboxyl group.

Building Blocks

Fundamental components or elements from which something larger is constructed, such as amino acids are for proteins.

Proteins

Large biomolecules or macromolecules consisting of one or more long chains of amino acid residues, crucial for biological processes.