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# I am having trouble with this question.  It is due today. Mr....

I am having trouble with this question.  It is due today.

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Mr. James McWhinney, president of Daniel-James Financial Services, believes there is a relationship between the number of client contacts and the dollar amount of sales. To document this assertion, Mr. McWhinney gathered the following sample information. The X column indicates the number of client contacts last month, and the Y column shows the value of sales (\$ thousands) last month for each client sampled. Number of Contacts, X Sales (\$ thousands), Y Number of Contacts, X Sales (\$ thousands), Y 14 24 23 30 12 14 48 90 20 28 50 85 16 30 55 120 46 80 50 110 Click here for the Excel Data File a. Determine the regression equation. (Negative amounts should be indicated by a minus sign. Do not round intermediate calculations. Round final answers to 2 decimal places.) X Y ( ) 2 ( ) 2 ( )( 14 376.36 1376.41 719. 12 14 −21.4 −47.1 20 −13.4 179.56 443. 16 30 −31.1 967.21 46 12.6 357.21 23 −10.4 967.21 48 90 28.9 213.16 421. 50 85 23.9 275.56 396. 55 466.56 3469.21 1,272. 50 110.0 16.6 48.9 = = s x =
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