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Basic Statistics for Business and Economics | 7th Edition | ISBN: 9780077384470 | Authors: Douglas Lind; William Marchal; Samuel Wathen
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The manager of Information Services at Wilkin

Chapter 4, Problem 30E

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QUESTION:

Problem 30E

The manager of Information Services at Wilkin Investigations, a private investigation firm, is studying the relationship between the age (in months) of a combination printer, copy, and fax machine and its monthly maintenance cost. For a sample of 15 machines the manager developed the following chart. What can the manager conclude about the relationship between the variables?

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QUESTION:

Problem 30E

The manager of Information Services at Wilkin Investigations, a private investigation firm, is studying the relationship between the age (in months) of a combination printer, copy, and fax machine and its monthly maintenance cost. For a sample of 15 machines the manager developed the following chart. What can the manager conclude about the relationship between the variables?

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         For a sample of 15 machines the manager developed the following chart.

   

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