Question

Reed Auto periodically has a special week-long sale. As part of the advertising campaign Reed runs...

Reed Auto periodically has a special week-long sale. As part of the advertising campaign Reed runs one or more television commercials during the weekend preceding the sale. Data from a sample of 5 previous sales are shown below:

Number of TV Ads     Number of Cars Sold

                        1                      14

                        3                      24

                        2                      18

                        1                      17

                        3                      27

Find the regression line of the data above by hand. DO NOT USE EXCEL.

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