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

question 145

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 number of new customers brought in had a positive impact on the amount of sales generated.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 ________.

Learn about normative influences on behavior and how they vary across cultures.

Analyze the ethical implications and psychological insights from classic social psychology experiments.

Appreciate the complexity of implicit biases and their measurement.

Understand the evolution of theories on morality and the methods used to assess moral judgment.

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Definitions:

Heterogeneous Cultures

Cultures composed of diverse and varied elements, including different traditions, languages, practices, and beliefs, contributing to a rich and multifaceted society.

Panethnicity

A term that groups together various ethnic identities under a single category, often for political or social reasons.

Collective Identity

A shared sense of belonging to a group, characterized by common attitudes, interests, and goals, which shapes individual identities in relation to the group.

Ethnic Groups

Populations that share common cultural practices, ancestry, language, or belief systems and distinguish themselves, or are distinguished by others, from other groups.