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 This exercise content only parts bc. and Maroon 5 TV Appearances Demand for Guitars by Using the least-squares regression method, the equation for forecasting in (round your responses to four decimal places *0-0-A The estimate for guitar sales & Maroon 5 performed on TV 11 mes-sales round your response to be decimal places) The conlation coefficient for this modet The coeficient of determination for this model round your response to four decimal places) round your response to four decimal places The percentage of variation in sales that can be explained by TV appearances %ound your response to a decimal place) 468776 468511