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

question 168

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.At a level of significance of 0.01, the null hypothesis should be (rejected or not rejected).

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Definitions:

Identifying Depression

The process of recognizing the signs and symptoms of depression, a mood disorder that causes a persistent feeling of sadness and loss of interest.

Psychosocial Stimulation

Engagement in activities or environments that promote mental and social development, often used in contexts of child development and rehabilitation.

Geriatric Depression Scale

A screening tool specifically designed to identify depression in elderly populations through a questionnaire assessing mood and emotional state.

Alcohol Use

The consumption of beverages that contain ethanol, ranging from moderate drinking to alcohol abuse or dependence.