Dixie Showtime Movie Theaters, Inc., owns and operates a chain of cinemas in several markets in the southern U (a) Uie the data to develop an estinated regression equation with the amount of television advertising as the independent variable. Let x tegresent the amount of television advertising. If required, round your answess to three dedimat places. For subtractive or negative numbers use a minus sign even if there is a + sign before the blank. (Exampler moo) y= (b) How much of the variation in the sample values of weekly gross revenue does the model in nart (a) explain? If required, round your answer to tino decimal places. (c) Use thie data to develco an estimated regression equation with both television advertising and newsaper adyertising as the independent variables. Lot x2 fugresent the amount of telivition adventising. Let x2 represent the amount of nemspaper adretising Taut whether each of the regresion parameters 0D1, and 2 is equal zo zero at a 0.05 terel of slgnificance. conclade that of =0. conclude that 1=0. conidude that a2=0. (d) How much of the variation in the sample values of weekly gross revenue does the model in part (c) explain? If required, round your answer to two decimal places. %