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For six local offices of a large tax preparation firm, the following data describe x = service revenues and y = expenses for supplies, freight, and postage during the previous tax preparation season:

1581_Table 01.jpg

a. Draw a scatter diagram representing these data.

b. Using the "eyeball" method, fit a straight line to the data.

c. Does there appear to be any relationship between the variables? If so, is the relationship direct or inverse?

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M92213131

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