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Mark Gershon, owner of a musical instrument distributorship, thinks that demand for guitars may be related to the number of television appearances by the popular group Maroon 5 during the shown in the following table 4 3 6 7 9 5 4 66 5 11 7 Maroon 5 TV Appearances Demand for Guitars This exercise contains only parts b, c, and a b) Using the tas-squares regression method, the equation for forecasting around your responses to four decimal placea) Y-2.1286 +0.7714 X c) The estimate for guitar salos Maroon 5 performed on TV 10 times – P.84 sales (round your response to two decimal places). d] The correlation coefficient in for this model around your response to four decimal places)