TABLE 12-4 The Managers of a Brokerage Firm Are Interested in Finding

question 211

Short Answer

TABLE 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.

-Referring to Table 12-4, the managers of the brokerage firm wanted to test the hypothesis that the population 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:

Social Interaction

The process by which individuals act and react in relation to others, thereby creating socially reciprocal relationships and structures.

Cooperation

A basis for social interaction in which power is more or less equally distributed between people of different status. The dominant emotion in cooperative interaction is trust. Cooperation may also be defined more generally as the human capacity to create a complex social life.

Rational Choice

A theory in economics and sociology that stipulates individuals always make prudent and logical decisions that provide them with the greatest benefit or satisfaction.

Life Expectancy

The average age at death of the members of a population.