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 prediction for the amount of sales (in $1,000s) for a person who brings 25 new clients into the firm is ________.
Definitions:
Benzene
A volatile, aromatic hydrocarbon with a ring structure, used as a base material in the production of various chemicals and plastics.
Functional Group
An atom or group of atoms within a molecule that is responsible for the characteristic chemical reactions of the molecule.
Ketone
an organic compound characterized by a carbonyl group linked to two alkyl or aryl groups.
Ether
A class of organic compounds characterized by an oxygen atom connected to two alkyl or aryl groups, used as solvents and in chemical synthesis.
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