c.) The correlation coefficient (r) for this model = __ (round your response to four decimal places).

d) The coefficient of determination (r squared) for this model is __ (round your response to four decimal places)

E) The percentage of variation in sales that can be explained by TV appearances = __% round your response to two decimal places)

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: 3 5 8 5 7 Maroon 5 TV Appearances Demand for Guitars 9 9 3 6 6 5 8 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)