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

question 196

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


-Referring to Table 13-4, the managers of the brokerage firm wanted to test the hypothesis that the true slope was equal to 0. The denominator of the test statistic is Sb1. The value of Sb1 in this sample is______ .

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Definitions:

Participant Modeling

A therapeutic technique in which a therapist demonstrates a desired behavior to a client, who is then encouraged to imitate this behavior.

Effectiveness

The degree to which something is successful in producing a desired result or outcome.

Psychotherapy

A method of treating mental health problems by talking with a psychiatrist, psychologist, or another mental health provider.

Treatments

Medical care given to a patient for an illness or injury.