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 previous month. Gershon has collected the data shown in the following table: Maroon 5 TV Appearances Demand for Guitars 3 4 2 6 7 5 9 7 4 9 This exercise contains only parts b, c, and d. b) Using the least-squares regression method, the equation for forecasting is (round your responses to four decimal places): Y = 0.08571 + 1.014 x c) The estimate for guitar sales if Maroon 5 performed on TV 9 times = 9.21 sales (round your response to two decimal places). d) The correlation coefficient (r) for this model = 0.8820 (round your response to four decimal places). The coefficient of determination (2) for this model = (round your response to four decimal places). D 6 7

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