TABLE 13-4 The Managers of a Brokerage Firm Are Interested in Finding

question 193

Short Answer

TABLE 13-4
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 13-4, the managers of the brokerage firm wanted to test the hypothesis that the population slope was equal to 0. The denominator of the test statistic is . The value of in this sample is ________.

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Definitions:

Short-Run Instability

A situation in economics where variables such as output, employment, and prices are subject to frequent fluctuations over a short period.

Agriculture

The activity of farming the land, cultivating plants, and breeding animals for human needs and sustenance.

Causes

The reasons or motives behind certain events, actions, or outcomes, identifying why something happens.

Bumper Crop

An unusually large harvest of crops in a particular year.