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Question: In each of the following instances, would


In each of the following instances, would you expect a positive, negative, or zero correlation?
(a) Number of salespersons and total dollar sales for real estate firms.
(b) Total payroll and percent of wins of national league baseball teams.
(c) The amount spent on a week of TV advertising and sales of a cola.
(d) Age of adults and their ability to maintain a strenuous exercise program.

2.99

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