TABLE 13-4
the Managers of a Brokerage Firm Are Interested

question 21

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.
$\begin{array}{lll}\text { Broker } & \text { Cliente } & \text { Sales } \\1 & 27 & 52 \\2 & 11 & 37 \\3 & 42 & 64 \\4 & 33 & 55 \\5 & 15 & 29 \\6 & 15 & 34 \\7 & 25 & 58 \\8 & 36 & 59 \\9 & 28 & 44 \\10 & 30 & 48 \\11 & 17 & 31 \\12 & 22 & 38\end{array}$


-Referring to Table 13-4, the managers of the brokerage firm wanted to test the hypothesis that the true slope was equal to 0. The value of the test statistic is _____.

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Definitions:

McNary-Haugen Bill

Vetoed by President Calvin Coolidge in 1927 and 1928, the bill to aid farmers that would have artificially raised agricultural prices by selling surpluses overseas for low prices and selling the reduced supply in the United States for higher prices.

Calvin Coolidge

The 30th President of the United States (1923–1929), known for his small government conservatism and for his quiet and reserved personality, leading the nation through the Roaring Twenties.

Laissez-faire Economics

An economic theory advocating minimal government intervention in the marketplace and allowing free interaction of supply and demand.

New Society

A concept or movement aimed at creating a social order differing from the current, often focusing on ideals of equality and justice.