Q2/ The following data represent the sales of a private company for the period 2005-2010 Answer each of the following based on the information in the table below 2009 2008 2007 2006 2005 the year 2010 7 10 13 14 18 Sales 20 1- The value of the arithmetic mean is for the values of the first group 2- The arithmetic mean value of the values of the second group 3- The equation of the general trend line is by using the. method least squares is

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A: Please refer the attached image for complete solution.

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A:

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A: we have to slove the above question

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A: The above problem is solved.

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A: