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, ________ % of the total variation in sales generated can be explained by the number of new clients brought in.
Definitions:
High Tariffs
Government-imposed taxes on imported or, in some cases, exported goods designed to protect domestic industries from foreign competition or to generate revenue.
Dutch Republic
A historical state in Europe from the late 16th to the 18th centuries, known for its republican form of government, commercial prosperity, and contributions to the arts and sciences.
Religious Toleration
Acceptance of different religious beliefs and practices without persecution.
Jews
Members of the Jewish community or faith, an ethnoreligious group originating from the Israelites or Hebrews of the ancient Middle East.
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