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

question 128

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.For a test with a level of significance of 0.01,the null hypothesis should be rejected if the value of the test statistic is ________.

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Definitions:

Freshman 15

The term commonly used to describe the weight gain often experienced by first-year college students, typically around 15 pounds.

Weight Gain

An increase in body weight, which can result from an excess of calorie intake over calorie expenditure.

Daily Calorie Intake

The total amount of calories consumed by an individual in a day to maintain body functions and energy levels.

Calories

Units of energy measurement used to quantify the amount of energy supplied by food and drink to the body.