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

question 103

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 coefficient of correlation is ________.

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Definitions:

Investment

The allocation of resources, such as capital or time, with the expectation of generating an income or profit.

Consumption Goods

Products and services that are used by individuals for personal enjoyment and satisfaction, not for further production.

Supply-Side Economists

Economists who believe that reducing tax rates and deregulation will stimulate economic growth by increasing production.

Real Interest Rate

The excess of the interest rate over the inflation rate. The growth rate of purchasing power derived from an investment.